CINXE.COM
5. CSS layout | MDN Curriculum
<!doctype html><html lang="en-US" prefix="og: https://ogp.me/ns#"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width,initial-scale=1"/><link rel="icon" href="https://developer.mozilla.org/favicon-48x48.bc390275e955dacb2e65.png"/><link rel="apple-touch-icon" href="https://developer.mozilla.org/apple-touch-icon.528534bba673c38049c2.png"/><meta name="theme-color" content="#ffffff"/><link rel="manifest" href="https://developer.mozilla.org/manifest.f42880861b394dd4dc9b.json"/><link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="MDN Web Docs"/><title>5. CSS layout | MDN Curriculum</title><link rel="preload" as="font" type="font/woff2" href="/static/media/Inter.var.c2fe3cb2b7c746f7966a.woff2" crossorigin=""/><link rel="alternate" type="application/rss+xml" title="MDN Blog RSS Feed" href="https://developer.mozilla.org/en-US/blog/rss.xml" hrefLang="en"/><meta name="description" content="Learn modern techniques for creating flexible layouts that work on a wide variety of devices."/><meta property="og:url" content="https://developer.mozilla.org/en-US/curriculum/core/css-layout/"/><meta property="og:title" content="5. CSS layout | MDN Curriculum"/><meta property="og:type" content="website"/><meta property="og:locale" content="en_US"/><meta property="og:description" content="Learn modern techniques for creating flexible layouts that work on a wide variety of devices."/><meta property="og:image" content="https://developer.mozilla.org/mdn-social-share.d893525a4fb5fb1f67a2.png"/><meta property="og:image:type" content="image/png"/><meta property="og:image:height" content="1080"/><meta property="og:image:width" content="1920"/><meta property="og:image:alt" content="The MDN Web Docs logo, featuring a blue accent color, displayed on a solid black background."/><meta property="og:site_name" content="MDN Web Docs"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:creator" content="MozDevNet"/><link rel="canonical" href="https://developer.mozilla.org/en-US/curriculum/core/css-layout/"/><style media="print">.article-actions-container,.document-toc-container,.language-menu,.main-menu-toggle,.on-github,.page-footer,.place,.sidebar,.top-banner,.top-navigation-main,ul.prev-next{display:none!important}.main-page-content,.main-page-content pre{padding:2px}.main-page-content pre{border-left-width:2px}</style><script src="/static/js/gtag.js" defer=""></script><script defer="" src="/static/js/main.5e889624.js"></script><link href="/static/css/main.26c64ea7.css" rel="stylesheet"/></head><body><script>if(document.body.addEventListener("load",(t=>{t.target.classList.contains("interactive")&&t.target.setAttribute("data-readystate","complete")}),{capture:!0}),window&&document.documentElement){const t={light:"#ffffff",dark:"#1b1b1b"};try{const e=window.localStorage.getItem("theme");e&&(document.documentElement.className=e,document.documentElement.style.backgroundColor=t[e]);const o=window.localStorage.getItem("nop");o&&(document.documentElement.dataset.nop=o)}catch(t){console.warn("Unable to read theme from localStorage",t)}}</script><div id="root"><ul id="nav-access" class="a11y-nav"><li><a id="skip-main" href="#content">Skip to main content</a></li><li><a id="skip-search" href="#top-nav-search-input">Skip to search</a></li></ul><div class="page-wrapper curriculum"><div class="top-banner loading"><section class="place top container"></section></div><div class="sticky-header-container"><header class="top-navigation "><div class="container "><div class="top-navigation-wrap"><a href="/en-US/" class="logo" aria-label="MDN homepage"><svg id="mdn-docs-logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 361 104.2" style="enable-background:new 0 0 361 104.2" xml:space="preserve" role="img"><title>MDN Web Docs</title><path d="M197.6 73.2h-17.1v-5.5h3.8V51.9c0-3.7-.7-6.3-2.1-7.9-1.4-1.6-3.3-2.3-5.7-2.3-3.2 0-5.6 1.1-7.2 3.4s-2.4 4.6-2.5 6.9v15.6h6v5.5h-17.1v-5.5h3.8V51.9c0-3.8-.7-6.4-2.1-7.9-1.4-1.5-3.3-2.3-5.6-2.3-3.2 0-5.5 1.1-7.2 3.3-1.6 2.2-2.4 4.5-2.5 6.9v15.8h6.9v5.5h-20.2v-5.5h6V42.4h-6.1v-5.6h13.4v6.4c1.2-2.1 2.7-3.8 4.7-5.2 2-1.3 4.4-2 7.3-2s5.3.7 7.5 2.1c2.2 1.4 3.7 3.5 4.5 6.4 1.1-2.5 2.7-4.5 4.9-6.1s4.8-2.4 7.9-2.4c3.5 0 6.5 1.1 8.9 3.3s3.7 5.6 3.7 10.2v18.2h6.1v5.5zm42.5 0h-13.2V66c-1.2 2.2-2.8 4.1-4.9 5.6-2.1 1.6-4.8 2.4-8.3 2.4-4.8 0-8.7-1.6-11.6-4.9-2.9-3.2-4.3-7.7-4.3-13.3 0-5 1.3-9.6 4-13.7 2.6-4.1 6.9-6.2 12.8-6.2s9.8 2.2 12.3 6.5V22.7h-8.6v-5.6h15.8v50.6h6v5.5zm-13.3-16.8V52c-.1-3-1.2-5.5-3.2-7.3s-4.4-2.8-7.2-2.8c-3.6 0-6.3 1.3-8.2 3.9-1.9 2.6-2.8 5.8-2.8 9.6 0 4.1 1 7.3 3 9.5s4.5 3.3 7.4 3.3c3.2 0 5.8-1.3 7.8-3.8 2.1-2.6 3.1-5.3 3.2-8zm61.5 16.8H269v-5.5h6V51.9c0-3.7-.7-6.3-2.2-7.9-1.4-1.6-3.4-2.3-5.7-2.3-3.1 0-5.6 1-7.4 3s-2.8 4.4-2.9 7v15.9h6v5.5h-19.3v-5.5h6V42.4h-6.2v-5.6h13.6V43c2.6-4.6 6.8-6.9 12.7-6.9 3.6 0 6.7 1.1 9.2 3.3s3.7 5.6 3.7 10.2v18.2h6v5.4h-.2z" class="logo-text"></path><path d="M42 .2 13.4 92.3H1.7L30.2.2Zm10.4 0v92.1H42V.2Zm40.3 0L64.2 92.3H52.5L81 .2Zm10.4 0v92.1H92.7V.2Z" class="logo-m"></path><path d="M294 95h67v8.8h-67z" class="logo-_"></path></svg></a><button title="Open main menu" type="button" class="button action has-icon main-menu-toggle" aria-haspopup="menu" aria-label="Open main menu" aria-expanded="false"><span class="button-wrap"><span class="icon icon-menu "></span><span class="visually-hidden">Open main menu</span></span></button></div><div class="top-navigation-main"><nav class="main-nav" aria-label="Main menu"><ul class="main-menu nojs"><li class="top-level-entry-container "><button type="button" id="references-button" class="top-level-entry menu-toggle" aria-controls="references-menu" aria-expanded="false">References</button><a href="/en-US/docs/Web" class="top-level-entry">References</a><ul id="references-menu" class="submenu references hidden inline-submenu-lg" aria-labelledby="references-button"><li class="apis-link-container mobile-only "><a href="/en-US/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li><li class="html-link-container "><a href="/en-US/docs/Web/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Structure of content on the web</p></div></a></li><li class="css-link-container "><a href="/en-US/docs/Web/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Code used to describe document style</p></div></a></li><li class="javascript-link-container "><a href="/en-US/docs/Web/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">General-purpose scripting language</p></div></a></li><li class="http-link-container "><a href="/en-US/docs/Web/HTTP" class="submenu-item "><div class="submenu-icon http"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP</div><p class="submenu-item-description">Protocol for transmitting web resources</p></div></a></li><li class="apis-link-container "><a href="/en-US/docs/Web/API" class="submenu-item "><div class="submenu-icon apis"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web APIs</div><p class="submenu-item-description">Interfaces for building web applications</p></div></a></li><li class="apis-link-container "><a href="/en-US/docs/Mozilla/Add-ons/WebExtensions" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Extensions</div><p class="submenu-item-description">Developing extensions for web browsers</p></div></a></li><li class="apis-link-container desktop-only "><a href="/en-US/docs/Web" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Web Technology</div><p class="submenu-item-description">Web technology reference for developers</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="guides-button" class="top-level-entry menu-toggle" aria-controls="guides-menu" aria-expanded="false">Guides</button><a href="/en-US/docs/Learn" class="top-level-entry">Guides</a><ul id="guides-menu" class="submenu guides hidden inline-submenu-lg" aria-labelledby="guides-button"><li class="apis-link-container mobile-only "><a href="/en-US/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview / MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="apis-link-container desktop-only "><a href="/en-US/docs/Learn" class="submenu-item "><div class="submenu-icon learn"></div><div class="submenu-content-container"><div class="submenu-item-heading">MDN Learning Area</div><p class="submenu-item-description">Learn web development</p></div></a></li><li class="html-link-container "><a href="/en-US/docs/Learn/HTML" class="submenu-item "><div class="submenu-icon html"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTML</div><p class="submenu-item-description">Learn to structure web content with HTML</p></div></a></li><li class="css-link-container "><a href="/en-US/docs/Learn/CSS" class="submenu-item "><div class="submenu-icon css"></div><div class="submenu-content-container"><div class="submenu-item-heading">CSS</div><p class="submenu-item-description">Learn to style content using CSS</p></div></a></li><li class="javascript-link-container "><a href="/en-US/docs/Learn/JavaScript" class="submenu-item "><div class="submenu-icon javascript"></div><div class="submenu-content-container"><div class="submenu-item-heading">JavaScript</div><p class="submenu-item-description">Learn to run scripts in the browser</p></div></a></li><li class=" "><a href="/en-US/docs/Web/Accessibility" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Accessibility</div><p class="submenu-item-description">Learn to make the web accessible to all</p></div></a></li></ul></li><li class="top-level-entry-container "><button type="button" id="mdn-plus-button" class="top-level-entry menu-toggle" aria-controls="mdn-plus-menu" aria-expanded="false">Plus</button><a href="/en-US/plus" class="top-level-entry">Plus</a><ul id="mdn-plus-menu" class="submenu mdn-plus hidden inline-submenu-lg" aria-labelledby="mdn-plus-button"><li class=" "><a href="/en-US/plus" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Overview</div><p class="submenu-item-description">A customized MDN experience</p></div></a></li><li class=" "><a href="/en-US/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li><li class=" "><a href="/en-US/plus/updates" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Updates</div><p class="submenu-item-description">All browser compatibility updates at a glance</p></div></a></li><li class=" "><a href="/en-US/plus/docs/features/overview" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Documentation</div><p class="submenu-item-description">Learn how to use MDN Plus</p></div></a></li><li class=" "><a href="/en-US/plus/docs/faq" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">FAQ</div><p class="submenu-item-description">Frequently asked questions about MDN Plus</p></div></a></li></ul></li><li class="top-level-entry-container active"><a class="top-level-entry menu-link" href="/en-US/curriculum/">Curriculum <sup class="new">New</sup></a></li><li class="top-level-entry-container "><a class="top-level-entry menu-link" href="/en-US/blog/">Blog</a></li><li class="top-level-entry-container "><button type="button" id="tools-button" class="top-level-entry menu-toggle" aria-controls="tools-menu" aria-expanded="false">Tools</button><ul id="tools-menu" class="submenu tools hidden inline-submenu-lg" aria-labelledby="tools-button"><li class=" "><a href="/en-US/play" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">Playground</div><p class="submenu-item-description">Write, test and share your code</p></div></a></li><li class=" "><a href="/en-US/observatory" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">HTTP Observatory</div><p class="submenu-item-description">Scan a website for free</p></div></a></li><li class=" "><a href="/en-US/plus/ai-help" class="submenu-item "><div class="submenu-icon"></div><div class="submenu-content-container"><div class="submenu-item-heading">AI Help</div><p class="submenu-item-description">Get real-time assistance and support</p></div></a></li></ul></li></ul></nav><div class="header-search"><form action="/en-US/search" class="search-form search-widget" id="top-nav-search-form" role="search"><label id="top-nav-search-label" for="top-nav-search-input" class="visually-hidden">Search MDN</label><input aria-activedescendant="" aria-autocomplete="list" aria-controls="top-nav-search-menu" aria-expanded="false" aria-labelledby="top-nav-search-label" autoComplete="off" id="top-nav-search-input" role="combobox" type="search" class="search-input-field" name="q" placeholder=" " required="" value=""/><button type="button" class="button action has-icon clear-search-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear search input</span></span></button><button type="submit" class="button action has-icon search-button"><span class="button-wrap"><span class="icon icon-search "></span><span class="visually-hidden">Search</span></span></button><div id="top-nav-search-menu" role="listbox" aria-labelledby="top-nav-search-label"></div></form></div><div class="theme-switcher-menu"><button type="button" class="button action has-icon theme-switcher-menu small" aria-haspopup="menu"><span class="button-wrap"><span class="icon icon-theme-os-default "></span>Theme</span></button></div><ul class="auth-container"><li><a href="/users/fxa/login/authenticate/?next=%2Fen-US%2Fcurriculum%2Fcore%2Fcss-layout%2F" class="login-link" rel="nofollow">Log in</a></li><li><a href="/users/fxa/login/authenticate/?next=%2Fen-US%2Fcurriculum%2Fcore%2Fcss-layout%2F" target="_self" rel="nofollow" class="button primary mdn-plus-subscribe-link"><span class="button-wrap">Sign up for free</span></a></li></ul></div></div></header><div class="article-actions-container"><div class="container"><button type="button" class="button action has-icon sidebar-button" aria-label="Expand sidebar" aria-expanded="false" aria-controls="sidebar-quicklinks"><span class="button-wrap"><span class="icon icon-sidebar "></span></span></button><nav class="breadcrumbs-container" aria-label="Breadcrumb"><ol typeof="BreadcrumbList" vocab="https://schema.org/" aria-label="breadcrumbs"><li property="itemListElement" typeof="ListItem"><a href="/en-US/curriculum/" class="breadcrumb" property="item" typeof="WebPage"><span property="name">MDN Curriculum</span></a><meta property="position" content="1"/></li><li property="itemListElement" typeof="ListItem"><a href="/en-US/curriculum/core/" class="breadcrumb" property="item" typeof="WebPage"><span property="name">Core modules</span></a><meta property="position" content="2"/></li><li property="itemListElement" typeof="ListItem"><a href="/en-US/curriculum/core/css-layout/" class="breadcrumb-current-page" property="item" typeof="WebPage"><span property="name">5. CSS layout</span></a><meta property="position" content="3"/></li></ol></nav></div></div></div><main class="curriculum-content-container container with-sidebar main-wrapper curriculum-module topic-styling"><div class="sidebar-container"><aside id="sidebar-quicklinks" class="sidebar"><button type="button" class="button action backdrop" aria-label="Collapse sidebar"><span class="button-wrap"></span></button><nav aria-label="Related Topics" class="sidebar-inner"><div class="sidebar-inner-nav"><div class="in-nav-toc"><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In this module</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#5.1_css_layout_basics">5.1 CSS layout basics</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.2_floats">5.2 Floats</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.3_positioning">5.3 Positioning</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.4_modern_layout">5.4 Modern layout</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.5_responsive_design">5.5 Responsive design</a></li></ul></section></div></div><aside class="curriculum-sidebar " data-current="/en-US/curriculum/core/css-layout/"><ol><li class=""><a href="/en-US/curriculum/">MDN Curriculum</a></li><li class=""><a href="/en-US/curriculum/about-curriculum/">About Curriculum</a></li><li class="toggle"><details><summary>Getting started modules</summary><ol><li><a href="/en-US/curriculum/getting-started/">Getting started overview</a></li><li><a href="/en-US/curriculum/getting-started/soft-skills/">1. Soft skills</a></li><li><a href="/en-US/curriculum/getting-started/environment-setup/">2. Environment setup</a></li></ol></details></li><li class="toggle"><details open=""><summary>Core modules</summary><ol><li><a href="/en-US/curriculum/core/">Core overview</a></li><li><a href="/en-US/curriculum/core/web-standards/">1. Web standards</a></li><li><a href="/en-US/curriculum/core/semantic-html/">2. Semantic HTML</a></li><li><a href="/en-US/curriculum/core/css-fundamentals/">3. CSS fundamentals</a></li><li><a href="/en-US/curriculum/core/css-text-styling/">4. CSS text styling</a></li><li><em><a href="/en-US/curriculum/core/css-layout/" aria-current="page">5. CSS layout</a></em></li><li><a href="/en-US/curriculum/core/javascript-fundamentals/">6. JavaScript fundamentals</a></li><li><a href="/en-US/curriculum/core/accessibility/">7. Accessibility</a></li><li><a href="/en-US/curriculum/core/design-for-developers/">8. Design for developers</a></li><li><a href="/en-US/curriculum/core/version-control/">9. Version control</a></li></ol></details></li><li class="toggle"><details><summary>Extensions modules</summary><ol><li><a href="/en-US/curriculum/extensions/">Extensions overview</a></li><li><a href="/en-US/curriculum/extensions/transform-and-animate-css/">1. Transform & animate CSS</a></li><li><a href="/en-US/curriculum/extensions/custom-js-objects/">2. Custom JS objects</a></li><li><a href="/en-US/curriculum/extensions/web-apis/">3. Web APIs</a></li><li><a href="/en-US/curriculum/extensions/performance/">4. Performance</a></li><li><a href="/en-US/curriculum/extensions/security-and-privacy/">5. Security and privacy</a></li><li><a href="/en-US/curriculum/extensions/testing/">6. Testing</a></li><li><a href="/en-US/curriculum/extensions/a-practical-understanding-of-javascript-frameworks/">7. JavaScript frameworks</a></li><li><a href="/en-US/curriculum/extensions/css-tooling/">8. CSS tooling</a></li><li><a href="/en-US/curriculum/extensions/other-tooling-types/">9. Other tooling types</a></li></ol></details></li><li class=""><a href="/en-US/curriculum/faq/">Frequently asked questions</a></li><li class=""><a href="/en-US/curriculum/resources-for-educators/">Resources for Educators</a></li></ol></aside></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In this module</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#5.1_css_layout_basics">5.1 CSS layout basics</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.2_floats">5.2 Floats</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.3_positioning">5.3 Positioning</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.4_modern_layout">5.4 Modern layout</a></li><li class="document-toc-item "><a class="document-toc-link" href="#5.5_responsive_design">5.5 Responsive design</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><article id="content" class="curriculum-content" lang="en-US"><header><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 60 60" role="none" class="topic-icon topic-styling"><circle cx="30" cy="30" r="30" fill="#fff"></circle><path fill="#2C67BC" d="M25 18.75a2.5 2.5 0 0 0-2.5 2.5v5a2.5 2.5 0 0 1-2.5 2.5h-.75a.5.5 0 0 0-.5.5v1.5a.5.5 0 0 0 .5.5H20a2.5 2.5 0 0 1 2.5 2.5v5a2.5 2.5 0 0 0 2.5 2.5h2a.5.5 0 0 0 .5-.5v-1.5a.5.5 0 0 0-.5-.5h-1.5a.5.5 0 0 1-.5-.5V32.5a2.5 2.5 0 0 0-2.5-2.5 2.5 2.5 0 0 0 2.5-2.5v-5.75a.5.5 0 0 1 .5-.5H27a.5.5 0 0 0 .5-.5v-2m7.5 0a2.5 2.5 0 0 1 2.5 2.5v5a2.5 2.5 0 0 0 2.5 2.5h.75a.5.5 0 0 1 .5.5v1.5a.5.5 0 0 1-.5.5H40a2.5 2.5 0 0 0-2.5 2.5v5a2.5 2.5 0 0 1-2.5 2.5h-2a.5.5 0 0 1-.5-.5v-1.5a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 0 .5-.5V32.5a2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1-2.5-2.5v-5.75a.5.5 0 0 0-.5-.5H33a.5.5 0 0 1-.5-.5v-1.5a.5.5 0 0 1 .5-.5z"></path></svg><h1>5. CSS layout</h1><p class="module-topic">Styling</p><p class="module-group">Core modules</p></header><div class="section-content"><p>Our final core CSS module looks deep into another crucial topic — creating layouts for modern websites. This module looks at floats, positioning, other modern layout tools, and building responsive designs that will adapt to different devices, screen sizes, and resolutions.</p></div><section aria-labelledby="5.1_css_layout_basics"><h2 id="5.1_css_layout_basics"><a href="#5.1_css_layout_basics">5.1 CSS layout basics</a></h2><div class="section-content"><p class="curriculum-outcomes">Learning outcomes:</p> <ul> <li> <p>Understand that normal flow is the default way a browser lays out block and inline content.</p> </li> <li> <p>Properties such as <code>display</code>, <code>float</code>, and <code>position</code> are intended to change how the browser lays out content.</p> </li> </ul> <p class="curriculum-resources">Resources:</p> <ul> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Introduction">Introduction to CSS layout</a></p> </li> <li> <p><a href="/en-US/docs/Learn/CSS/CSS_layout/Normal_Flow">Normal flow</a></p> </li> </ul></div></section><section aria-labelledby="5.2_floats"><h2 id="5.2_floats"><a href="#5.2_floats">5.2 Floats</a></h2><div class="section-content"><p class="curriculum-outcomes">Learning outcomes:</p> <ul> <li> <p>Understand the purpose of floats — for floating images inside columns of text, or possibly other fun techniques like drop caps and floating inset information boxes.</p> </li> <li> <p>Understand that floats used to be used for multiple-column layouts, but this is no longer the case now better tools are available (see <a href="#5.4_modern_layout">5.4 Modern layout</a> for details).</p> </li> <li> <p>Using the <code>float</code> property to create floats.</p> </li> <li> <p>Clearing floats using <code>clear</code>, and the <code>display: flow-root</code> value.</p> </li> </ul> <p class="curriculum-resources">Resources:</p> <ul> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Floats">Floats</a></p> </li> <li class="curriculum-external-li"> <p><a href="https://css-tricks.com/all-about-floats/" class="external" target="_blank">All About FLoats</a>, CSS-Tricks (2021)</p> </li> </ul></div></section><section aria-labelledby="5.3_positioning"><h2 id="5.3_positioning"><a href="#5.3_positioning">5.3 Positioning</a></h2><div class="section-content"><p class="curriculum-outcomes">Learning outcomes:</p> <ul> <li> <p>Understand that <code>static</code> positioning is the default way elements are positioned on the page.</p> </li> <li> <p>Relative positioning:</p> <ul> <li> <p>Understand that relatively positioned elements remain in the normal flow.</p> </li> <li> <p>Final layout position can be modified using the <code>top</code>, <code>bottom</code>, <code>left</code>, and <code>right</code> properties.</p> </li> </ul> </li> <li> <p>Absolute positioning:</p> <ul> <li> <p>Absolute (and fixed/sticky) positioning takes elements completely out of the normal flow to sit in a separate layer.</p> </li> <li> <p><code>top</code>, <code>bottom</code>, <code>left</code>, <code>right</code>, and <code>inset</code> have different effects on absolutely-positioned elements than on relatively-positioned ones.</p> </li> <li> <p>Setting the positioning context of a positioned element by positioning an ancestor element.</p> <p> <scrim-inline url="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0d5" scrimtitle="Relative and Absolute Position"></scrim-inline> </p> </li> </ul> </li> <li> <p>Fixed and sticky positioning:</p> <ul> <li>Understand how these differ from absolute positioning.</li> </ul> </li> <li> <p>Understand what z-index is, and how to control the stacking of positioned elements with the <code>z-index</code> property.</p> </li> </ul> <p class="curriculum-resources">Resources:</p> <ul> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Positioning">Positioning</a></p> </li> <li class="curriculum-external-li"> <p><a href="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0d5?via=mdn" class="external" target="_blank">Aside: Position: relative & absolute</a>, Scrimba <em>Course Partner</em></p> </li> <li> <p><a href="/docs/Web/CSS/CSS_positioned_layout/Understanding_z-index/Stacking_context">Stacking context</a></p> </li> </ul></div></section><section aria-labelledby="5.4_modern_layout"><h2 id="5.4_modern_layout"><a href="#5.4_modern_layout">5.4 Modern layout</a></h2><div class="section-content"><p class="curriculum-outcomes">Learning outcomes:</p> <ul> <li> <p>In general, gain an understanding of modern CSS layout techniques.</p> </li> <li> <p>Understand that, for basic placement tasks, the below tools could be overkill. Learn simple old-school techniques and where they are still effective:</p> <ul> <li> <p>Margins and padding for spacing.</p> </li> <li> <p>Auto margins for horizontal centering tasks (e.g. <code>margin: 0 auto</code>).</p> </li> </ul> </li> <li> <p>Flexbox:</p> <ul> <li> <p>Understand the purpose of flexbox — flexibly lay out a set of block or inline elements in one dimension.</p> <ul> <li>See <a href="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~039?via=mdn" class="external" target="_blank">We have a problem that flexbox can fix</a> by Scrimba <em>Course Partner</em> for a use case example.</li> </ul> </li> <li> <p>Understand flex terminology — flex container, flex item, main axis, and cross axis.</p> </li> <li> <p><code>display: flex</code>, and what it gives you by default.</p> </li> <li> <p>Rows and columns, and how to wrap content onto new rows and columns.</p> </li> <li> <p>Flexible sizing of flex items.</p> </li> <li> <p>Justifying and aligning content.</p> </li> <li> <p>Adjusting flex item ordering.</p> <p> <scrim-inline url="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~039" scrimtitle="Flexbox Demonstration"></scrim-inline> </p> </li> </ul> </li> <li> <p>CSS Grid:</p> <ul> <li> <p>Understand the purpose of CSS Grid — flexibly lay out a set of block or inline elements in two dimensions.</p> </li> <li> <p>Understand grid terminology — rows, columns, gaps, and gutters.</p> </li> <li> <p><code>display: grid</code>, and what it gives you by default.</p> </li> <li> <p>Defining grid rows and columns:</p> <ul> <li> <p>The <code>fr</code> unit.</p> </li> <li> <p><code>minmax()</code>.</p> </li> </ul> </li> <li> <p>Defining gaps.</p> </li> <li> <p>Positioning elements on the grid.</p> </li> </ul> </li> </ul> <p class="curriculum-resources">Resources:</p> <ul> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Flexbox">Flexbox</a></p> </li> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Grids">Grids</a></p> </li> </ul></div></section><section aria-labelledby="5.5_responsive_design"><h2 id="5.5_responsive_design"><a href="#5.5_responsive_design">5.5 Responsive design</a></h2><div class="section-content"><p class="curriculum-outcomes">Learning outcomes:</p> <ul> <li> <p>Understand what responsive design is — designing web layouts so that they are flexible and work well across different device screen sizes, resolutions, etc.</p> </li> <li> <p>Understand the relationship between modern layout tools such as grid and flexbox, and responsive design.</p> </li> <li> <p>Media queries:</p> <ul> <li> <p>The mobile-first technique.</p> </li> <li> <p>Understand breakpoints.</p> </li> <li> <p>Using <code>width</code> and <code>height</code> media queries to create responsive layouts.</p> </li> </ul> </li> <li> <p><code><meta viewport=""></code>, and how to use it to get web documents to display appropriately on mobile devices.</p> <ul> <li>For the sake of accessibility, never set <code>user-scalable=no</code>.</li> </ul> </li> </ul> <p class="curriculum-resources">Resources:</p> <ul> <li class="curriculum-external-li"> <p><a href="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0ij?via=mdn" class="external" target="_blank">Build a responsive site: Module intro</a>, Scrimba <em>Course Partner</em></p> </li> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Responsive_Design">Responsive design</a></p> </li> <li> <p><a href="/docs/Learn/CSS/CSS_layout/Media_queries">Beginner's guide to media queries</a></p> </li> </ul> <p> <scrim-inline url="https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0ij" scrimtitle="Responsive Design Intro"></scrim-inline> </p></div></section><section class="curriculum-prev-next"><a href="/en-US/curriculum/core/css-text-styling/" target="_self" class="button primary has-icon"><span class="button-wrap"><span class="icon icon-curriculum-prev "></span>Previous: <!-- -->4. CSS text styling</span></a><a href="/en-US/curriculum/core/javascript-fundamentals/" target="_self" class="button primary has-icon"><span class="button-wrap"><span class="icon icon-curriculum-next "></span>Next: <!-- -->6. JavaScript fundamentals</span></a></section></article></main></div><footer id="nav-footer" class="page-footer"><div class="page-footer-grid"><div class="page-footer-logo-col"><a href="/" class="mdn-footer-logo" aria-label="MDN homepage"><svg width="48" height="17" viewBox="0 0 48 17" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mdn-footer-logo-svg">MDN logo</title><path d="M20.04 16.512H15.504V10.416C15.504 9.488 15.344 8.824 15.024 8.424C14.72 8.024 14.264 7.824 13.656 7.824C12.92 7.824 12.384 8.064 12.048 8.544C11.728 9.024 11.568 9.64 11.568 10.392V14.184H13.008V16.512H8.472V10.416C8.472 9.488 8.312 8.824 7.992 8.424C7.688 8.024 7.232 7.824 6.624 7.824C5.872 7.824 5.336 8.064 5.016 8.544C4.696 9.024 4.536 9.64 4.536 10.392V14.184H6.6V16.512H0V14.184H1.44V8.04H0.024V5.688H4.536V7.32C5.224 6.088 6.32 5.472 7.824 5.472C8.608 5.472 9.328 5.664 9.984 6.048C10.64 6.432 11.096 7.016 11.352 7.8C11.992 6.248 13.168 5.472 14.88 5.472C15.856 5.472 16.72 5.776 17.472 6.384C18.224 6.992 18.6 7.936 18.6 9.216V14.184H20.04V16.512Z" fill="currentColor"></path><path d="M33.6714 16.512H29.1354V14.496C28.8314 15.12 28.3834 15.656 27.7914 16.104C27.1994 16.536 26.4154 16.752 25.4394 16.752C24.0154 16.752 22.8954 16.264 22.0794 15.288C21.2634 14.312 20.8554 12.984 20.8554 11.304C20.8554 9.688 21.2554 8.312 22.0554 7.176C22.8554 6.04 24.0634 5.472 25.6794 5.472C26.5594 5.472 27.2794 5.648 27.8394 6C28.3994 6.352 28.8314 6.8 29.1354 7.344V2.352H26.9754V0H32.2314V14.184H33.6714V16.512ZM29.1354 11.04V10.776C29.1354 9.88 28.8954 9.184 28.4154 8.688C27.9514 8.176 27.3674 7.92 26.6634 7.92C25.9754 7.92 25.3674 8.176 24.8394 8.688C24.3274 9.2 24.0714 10.008 24.0714 11.112C24.0714 12.152 24.3114 12.944 24.7914 13.488C25.2714 14.032 25.8394 14.304 26.4954 14.304C27.3114 14.304 27.9514 13.96 28.4154 13.272C28.8954 12.584 29.1354 11.84 29.1354 11.04Z" fill="currentColor"></path><path d="M47.9589 16.512H41.9829V14.184H43.4229V10.416C43.4229 9.488 43.2629 8.824 42.9429 8.424C42.6389 8.024 42.1829 7.824 41.5749 7.824C40.8389 7.824 40.2709 8.056 39.8709 8.52C39.4709 8.968 39.2629 9.56 39.2469 10.296V14.184H40.6869V16.512H34.7109V14.184H36.1509V8.04H34.5909V5.688H39.2469V7.344C39.9669 6.096 41.1269 5.472 42.7269 5.472C43.7509 5.472 44.6389 5.776 45.3909 6.384C46.1429 6.992 46.5189 7.936 46.5189 9.216V14.184H47.9589V16.512Z" fill="currentColor"></path></svg></a><p>Your blueprint for a better internet.</p><ul class="social-icons"><li><a href="https://mozilla.social/@mdn" target="_blank" rel="me noopener noreferrer"><span class="icon icon-mastodon"></span><span class="visually-hidden">MDN on Mastodon</span></a></li><li><a href="https://twitter.com/mozdevnet" target="_blank" rel="noopener noreferrer"><span class="icon icon-twitter-x"></span><span class="visually-hidden">MDN on X (formerly Twitter)</span></a></li><li><a href="https://github.com/mdn/" target="_blank" rel="noopener noreferrer"><span class="icon icon-github-mark-small"></span><span class="visually-hidden">MDN on GitHub</span></a></li><li><a href="/en-US/blog/rss.xml" target="_blank"><span class="icon icon-feed"></span><span class="visually-hidden">MDN Blog RSS Feed</span></a></li></ul></div><div class="page-footer-nav-col-1"><h2 class="footer-nav-heading">MDN</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a href="/en-US/about">About</a></li><li class="footer-nav-item"><a href="/en-US/blog/">Blog</a></li><li class="footer-nav-item"><a href="https://www.mozilla.org/en-US/careers/listings/?team=ProdOps" target="_blank" rel="noopener noreferrer">Careers</a></li><li class="footer-nav-item"><a href="/en-US/advertising">Advertise with us</a></li></ul></div><div class="page-footer-nav-col-2"><h2 class="footer-nav-heading">Support</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="https://support.mozilla.org/products/mdn-plus">Product help</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/docs/MDN/Community/Issues">Report an issue</a></li></ul></div><div class="page-footer-nav-col-3"><h2 class="footer-nav-heading">Our communities</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/community">MDN Community</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="https://discourse.mozilla.org/c/mdn/236" target="_blank" rel="noopener noreferrer">MDN Forum</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/discord" target="_blank" rel="noopener noreferrer">MDN Chat</a></li></ul></div><div class="page-footer-nav-col-4"><h2 class="footer-nav-heading">Developers</h2><ul class="footer-nav-list"><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/docs/Web">Web Technologies</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/docs/Learn">Learn Web Development</a></li><li class="footer-nav-item"><a class="footer-nav-link" href="/en-US/plus">MDN Plus</a></li><li class="footer-nav-item"><a href="https://hacks.mozilla.org/" target="_blank" rel="noopener noreferrer">Hacks Blog</a></li></ul></div><div class="page-footer-moz"><a href="https://www.mozilla.org/" class="footer-moz-logo-link" target="_blank" rel="noopener noreferrer"><svg width="112" height="32" fill="none" xmlns="http://www.w3.org/2000/svg"><title id="mozilla-footer-logo-svg">Mozilla logo</title><path d="M41.753 14.218c-2.048 0-3.324 1.522-3.324 4.157 0 2.423 1.119 4.286 3.29 4.286 2.082 0 3.447-1.678 3.447-4.347 0-2.826-1.522-4.096-3.413-4.096Zm54.89 7.044c0 .901.437 1.618 1.645 1.618 1.427 0 2.949-1.024 3.044-3.352-.649-.095-1.365-.185-2.02-.185-1.426-.005-2.668.397-2.668 1.92Z" fill="currentColor"></path><path d="M0 0v32h111.908V0H0Zm32.56 25.426h-5.87v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h1.864v3.044h-5.864v-7.884c0-2.423-.806-3.352-2.39-3.352-1.924 0-2.702 1.365-2.702 3.324v4.868h2.669v3.044H6.642v-3.044h1.863v-7.918H6.642V11.42h5.864v2.11c.839-1.489 2.3-2.39 4.252-2.39 2.02 0 3.878.963 4.566 3.01.778-1.862 2.361-3.01 4.566-3.01 2.512 0 4.812 1.522 4.812 4.84v6.402h1.863v3.044h-.005Zm9.036.307c-4.314 0-7.296-2.635-7.296-7.106 0-4.096 2.484-7.481 7.514-7.481s7.481 3.38 7.481 7.29c0 4.472-3.228 7.297-7.699 7.297Zm22.578-.307H51.942l-.403-2.11 7.7-8.846h-4.376l-.621 2.17-2.888-.313.498-4.907h12.294l.313 2.11-7.767 8.852h4.533l.654-2.172 3.167.308-.872 4.908Zm7.99 0h-4.191v-5.03h4.19v5.03Zm0-8.976h-4.191v-5.03h4.19v5.03Zm2.618 8.976 6.054-21.358h3.945l-6.054 21.358h-3.945Zm8.136 0 6.048-21.358h3.945l-6.054 21.358h-3.939Zm21.486.307c-1.863 0-2.887-1.085-3.072-2.792-.805 1.427-2.232 2.792-4.498 2.792-2.02 0-4.314-1.085-4.314-4.006 0-3.447 3.323-4.253 6.518-4.253.778 0 1.584.034 2.3.124v-.465c0-1.427-.034-3.133-2.3-3.133-.84 0-1.488.061-2.143.402l-.453 1.578-3.195-.34.549-3.224c2.45-.996 3.692-1.27 5.992-1.27 3.01 0 5.556 1.55 5.556 4.75v6.083c0 .805.314 1.085.963 1.085.184 0 .375-.034.587-.095l.034 2.11a5.432 5.432 0 0 1-2.524.654Z" fill="currentColor"></path></svg></a><ul class="footer-moz-list"><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Website Privacy Notice</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/#cookies" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Cookies</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit<!-- --> <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> <!-- -->not-for-profit parent, the<!-- --> <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–<!-- -->2024<!-- --> by individual mozilla.org contributors. Content available under<!-- --> <a href="/en-US/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/en-US/curriculum/core/css-layout/","doc":{"locale":"en-US","title":"5. CSS layout","mdn_url":"/en-US/curriculum/core/css-layout/","native":"English (US)","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p>Our final core CSS module looks deep into another crucial topic — creating layouts for modern websites. This module looks at floats, positioning, other modern layout tools, and building responsive designs that will adapt to different devices, screen sizes, and resolutions.</p>"}},{"type":"prose","value":{"id":"5.1_css_layout_basics","title":"5.1 CSS layout basics","isH3":false,"content":"<p class=\"curriculum-outcomes\">Learning outcomes:</p>\n<ul>\n <li>\n <p>Understand that normal flow is the default way a browser lays out block and inline content.</p>\n </li>\n <li>\n <p>Properties such as <code>display</code>, <code>float</code>, and <code>position</code> are intended to change how the browser lays out content.</p>\n </li>\n</ul>\n<p class=\"curriculum-resources\">Resources:</p>\n<ul>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Introduction\">Introduction to CSS layout</a></p>\n </li>\n <li>\n <p><a href=\"/en-US/docs/Learn/CSS/CSS_layout/Normal_Flow\">Normal flow</a></p>\n </li>\n</ul>"}},{"type":"prose","value":{"id":"5.2_floats","title":"5.2 Floats","isH3":false,"content":"<p class=\"curriculum-outcomes\">Learning outcomes:</p>\n<ul>\n <li>\n <p>Understand the purpose of floats — for floating images inside columns of text, or possibly other fun techniques like drop caps and floating inset information boxes.</p>\n </li>\n <li>\n <p>Understand that floats used to be used for multiple-column layouts, but this is no longer the case now better tools are available (see <a href=\"#5.4_modern_layout\">5.4 Modern layout</a> for details).</p>\n </li>\n <li>\n <p>Using the <code>float</code> property to create floats.</p>\n </li>\n <li>\n <p>Clearing floats using <code>clear</code>, and the <code>display: flow-root</code> value.</p>\n </li>\n</ul>\n<p class=\"curriculum-resources\">Resources:</p>\n<ul>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Floats\">Floats</a></p>\n </li>\n <li class=\"curriculum-external-li\">\n <p><a href=\"https://css-tricks.com/all-about-floats/\" class=\"external\" target=\"_blank\">All About FLoats</a>, CSS-Tricks (2021)</p>\n </li>\n</ul>"}},{"type":"prose","value":{"id":"5.3_positioning","title":"5.3 Positioning","isH3":false,"content":"<p class=\"curriculum-outcomes\">Learning outcomes:</p>\n<ul>\n <li>\n <p>Understand that <code>static</code> positioning is the default way elements are positioned on the page.</p>\n </li>\n <li>\n <p>Relative positioning:</p>\n <ul>\n <li>\n <p>Understand that relatively positioned elements remain in the normal flow.</p>\n </li>\n <li>\n <p>Final layout position can be modified using the <code>top</code>, <code>bottom</code>, <code>left</code>, and <code>right</code> properties.</p>\n </li>\n </ul>\n </li>\n <li>\n <p>Absolute positioning:</p>\n <ul>\n <li>\n <p>Absolute (and fixed/sticky) positioning takes elements completely out of the normal flow to sit in a separate layer.</p>\n </li>\n <li>\n <p><code>top</code>, <code>bottom</code>, <code>left</code>, <code>right</code>, and <code>inset</code> have different effects on absolutely-positioned elements than on relatively-positioned ones.</p>\n </li>\n <li>\n <p>Setting the positioning context of a positioned element by positioning an ancestor element.</p>\n <p>\n <scrim-inline url=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0d5\" scrimtitle=\"Relative and Absolute Position\"></scrim-inline>\n </p>\n </li>\n </ul>\n </li>\n <li>\n <p>Fixed and sticky positioning:</p>\n <ul>\n <li>Understand how these differ from absolute positioning.</li>\n </ul>\n </li>\n <li>\n <p>Understand what z-index is, and how to control the stacking of positioned elements with the <code>z-index</code> property.</p>\n </li>\n</ul>\n<p class=\"curriculum-resources\">Resources:</p>\n<ul>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Positioning\">Positioning</a></p>\n </li>\n <li class=\"curriculum-external-li\">\n <p><a href=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0d5?via=mdn\" class=\"external\" target=\"_blank\">Aside: Position: relative & absolute</a>, Scrimba <em>Course Partner</em></p>\n </li>\n <li>\n <p><a href=\"/docs/Web/CSS/CSS_positioned_layout/Understanding_z-index/Stacking_context\">Stacking context</a></p>\n </li>\n</ul>"}},{"type":"prose","value":{"id":"5.4_modern_layout","title":"5.4 Modern layout","isH3":false,"content":"<p class=\"curriculum-outcomes\">Learning outcomes:</p>\n<ul>\n <li>\n <p>In general, gain an understanding of modern CSS layout techniques.</p>\n </li>\n <li>\n <p>Understand that, for basic placement tasks, the below tools could be overkill. Learn simple old-school techniques and where they are still effective:</p>\n <ul>\n <li>\n <p>Margins and padding for spacing.</p>\n </li>\n <li>\n <p>Auto margins for horizontal centering tasks (e.g. <code>margin: 0 auto</code>).</p>\n </li>\n </ul>\n </li>\n <li>\n <p>Flexbox:</p>\n <ul>\n <li>\n <p>Understand the purpose of flexbox — flexibly lay out a set of block or inline elements in one dimension.</p>\n <ul>\n <li>See <a href=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~039?via=mdn\" class=\"external\" target=\"_blank\">We have a problem that flexbox can fix</a> by Scrimba <em>Course Partner</em> for a use case example.</li>\n </ul>\n </li>\n <li>\n <p>Understand flex terminology — flex container, flex item, main axis, and cross axis.</p>\n </li>\n <li>\n <p><code>display: flex</code>, and what it gives you by default.</p>\n </li>\n <li>\n <p>Rows and columns, and how to wrap content onto new rows and columns.</p>\n </li>\n <li>\n <p>Flexible sizing of flex items.</p>\n </li>\n <li>\n <p>Justifying and aligning content.</p>\n </li>\n <li>\n <p>Adjusting flex item ordering.</p>\n <p>\n <scrim-inline url=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~039\" scrimtitle=\"Flexbox Demonstration\"></scrim-inline>\n </p>\n </li>\n </ul>\n </li>\n <li>\n <p>CSS Grid:</p>\n <ul>\n <li>\n <p>Understand the purpose of CSS Grid — flexibly lay out a set of block or inline elements in two dimensions.</p>\n </li>\n <li>\n <p>Understand grid terminology — rows, columns, gaps, and gutters.</p>\n </li>\n <li>\n <p><code>display: grid</code>, and what it gives you by default.</p>\n </li>\n <li>\n <p>Defining grid rows and columns:</p>\n <ul>\n <li>\n <p>The <code>fr</code> unit.</p>\n </li>\n <li>\n <p><code>minmax()</code>.</p>\n </li>\n </ul>\n </li>\n <li>\n <p>Defining gaps.</p>\n </li>\n <li>\n <p>Positioning elements on the grid.</p>\n </li>\n </ul>\n </li>\n</ul>\n<p class=\"curriculum-resources\">Resources:</p>\n<ul>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Flexbox\">Flexbox</a></p>\n </li>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Grids\">Grids</a></p>\n </li>\n</ul>"}},{"type":"prose","value":{"id":"5.5_responsive_design","title":"5.5 Responsive design","isH3":false,"content":"<p class=\"curriculum-outcomes\">Learning outcomes:</p>\n<ul>\n <li>\n <p>Understand what responsive design is — designing web layouts so that they are flexible and work well across different device screen sizes, resolutions, etc.</p>\n </li>\n <li>\n <p>Understand the relationship between modern layout tools such as grid and flexbox, and responsive design.</p>\n </li>\n <li>\n <p>Media queries:</p>\n <ul>\n <li>\n <p>The mobile-first technique.</p>\n </li>\n <li>\n <p>Understand breakpoints.</p>\n </li>\n <li>\n <p>Using <code>width</code> and <code>height</code> media queries to create responsive layouts.</p>\n </li>\n </ul>\n </li>\n <li>\n <p><code><meta viewport=\"\"></code>, and how to use it to get web documents to display appropriately on mobile devices.</p>\n <ul>\n <li>For the sake of accessibility, never set <code>user-scalable=no</code>.</li>\n </ul>\n </li>\n</ul>\n<p class=\"curriculum-resources\">Resources:</p>\n<ul>\n <li class=\"curriculum-external-li\">\n <p><a href=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0ij?via=mdn\" class=\"external\" target=\"_blank\">Build a responsive site: Module intro</a>, Scrimba <em>Course Partner</em></p>\n </li>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Responsive_Design\">Responsive design</a></p>\n </li>\n <li>\n <p><a href=\"/docs/Learn/CSS/CSS_layout/Media_queries\">Beginner's guide to media queries</a></p>\n </li>\n</ul>\n<p>\n <scrim-inline url=\"https://v2.scrimba.com/the-frontend-developer-career-path-c0j/~0ij\" scrimtitle=\"Responsive Design Intro\"></scrim-inline>\n</p>"}}],"pageTitle":"5. CSS layout | MDN Curriculum","noIndexing":false,"toc":[{"text":"5.1 CSS layout basics","id":"5.1_css_layout_basics"},{"text":"5.2 Floats","id":"5.2_floats"},{"text":"5.3 Positioning","id":"5.3_positioning"},{"text":"5.4 Modern layout","id":"5.4_modern_layout"},{"text":"5.5 Responsive design","id":"5.5_responsive_design"}],"sidebar":[{"url":"/en-US/curriculum/","slug":"curriculum","title":"MDN Curriculum"},{"url":"/en-US/curriculum/about-curriculum/","slug":"curriculum/about-curriculum","title":"About Curriculum"},{"url":"/en-US/curriculum/getting-started/","slug":"curriculum/getting-started","title":"Getting started modules","children":[{"url":"/en-US/curriculum/getting-started/soft-skills/","slug":"curriculum/getting-started/soft-skills","title":"1. Soft skills"},{"url":"/en-US/curriculum/getting-started/environment-setup/","slug":"curriculum/getting-started/environment-setup","title":"2. Environment setup"}]},{"url":"/en-US/curriculum/core/","slug":"curriculum/core","title":"Core modules","children":[{"url":"/en-US/curriculum/core/web-standards/","slug":"curriculum/core/web-standards","title":"1. Web standards"},{"url":"/en-US/curriculum/core/semantic-html/","slug":"curriculum/core/semantic-html","title":"2. Semantic HTML"},{"url":"/en-US/curriculum/core/css-fundamentals/","slug":"curriculum/core/css-fundamentals","title":"3. CSS fundamentals"},{"url":"/en-US/curriculum/core/css-text-styling/","slug":"curriculum/core/css-text-styling","title":"4. CSS text styling"},{"url":"/en-US/curriculum/core/css-layout/","slug":"curriculum/core/css-layout","title":"5. CSS layout"},{"url":"/en-US/curriculum/core/javascript-fundamentals/","slug":"curriculum/core/javascript-fundamentals","title":"6. JavaScript fundamentals"},{"url":"/en-US/curriculum/core/accessibility/","slug":"curriculum/core/accessibility","title":"7. Accessibility"},{"url":"/en-US/curriculum/core/design-for-developers/","slug":"curriculum/core/design-for-developers","title":"8. Design for developers"},{"url":"/en-US/curriculum/core/version-control/","slug":"curriculum/core/version-control","title":"9. Version control"}]},{"url":"/en-US/curriculum/extensions/","slug":"curriculum/extensions","title":"Extensions modules","children":[{"url":"/en-US/curriculum/extensions/transform-and-animate-css/","slug":"curriculum/extensions/transform-and-animate-css","title":"1. Transform & animate CSS"},{"url":"/en-US/curriculum/extensions/custom-js-objects/","slug":"curriculum/extensions/custom-js-objects","title":"2. Custom JS objects"},{"url":"/en-US/curriculum/extensions/web-apis/","slug":"curriculum/extensions/web-apis","title":"3. Web APIs"},{"url":"/en-US/curriculum/extensions/performance/","slug":"curriculum/extensions/performance","title":"4. Performance"},{"url":"/en-US/curriculum/extensions/security-and-privacy/","slug":"curriculum/extensions/security-and-privacy","title":"5. Security and privacy"},{"url":"/en-US/curriculum/extensions/testing/","slug":"curriculum/extensions/testing","title":"6. Testing"},{"url":"/en-US/curriculum/extensions/a-practical-understanding-of-javascript-frameworks/","slug":"curriculum/extensions/a-practical-understanding-of-javascript-frameworks","title":"7. JavaScript frameworks"},{"url":"/en-US/curriculum/extensions/css-tooling/","slug":"curriculum/extensions/css-tooling","title":"8. CSS tooling"},{"url":"/en-US/curriculum/extensions/other-tooling-types/","slug":"curriculum/extensions/other-tooling-types","title":"9. Other tooling types"}]},{"url":"/en-US/curriculum/faq/","slug":"curriculum/faq","title":"Frequently asked questions"},{"url":"/en-US/curriculum/resources-for-educators/","slug":"curriculum/resources-for-educators","title":"Resources for Educators"}],"prevNext":{"prev":{"url":"/en-US/curriculum/core/css-text-styling/","title":"4. CSS text styling"},"next":{"url":"/en-US/curriculum/core/javascript-fundamentals/","title":"6. JavaScript fundamentals"}},"parents":[{"uri":"/en-US/curriculum/","title":"MDN Curriculum"},{"uri":"/en-US/curriculum/core/","title":"Core modules"},{"uri":"/en-US/curriculum/core/css-layout/","title":"5. CSS layout"}],"topic":"Styling","group":"Core modules","template":"module","summary":"Learn modern techniques for creating flexible layouts that work on a wide variety of devices."}}</script></body></html>