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Animations","motion-accessibility-prefers-reduced-motion-performance",{"data":647},[648,651,655,660,665],{"name":335,"slug":336,"description":649,"post_count":23,"subcategories":650},"Learn CSS with practical tutorials and examples covering layouts, Flexbox, Grid, responsive design, typography, positioning, animations, and more.",[],{"name":10,"slug":652,"description":653,"post_count":23,"subcategories":654},"html","Learn HTML with practical tutorials and examples for beginners. 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Explore Java syntax, variables, data types, classes, objects, methods, inheritance, exceptions, collections, and more with clear explanations and real code examples.",[],{"data":671},{"id":535,"title":536,"slug":537,"content":672,"course":673,"subcategory":674,"author":675,"reading_time_minutes":43,"cornerstone":26,"schema_type":681,"faq_json":5,"video_url":5,"canonical_url":682,"meta_title":683,"meta_description":684,"og_image":5,"toc_json":685,"code_examples":746,"quiz":5,"exercises":770,"published_at":5,"updated_at":785,"prev":786,"next":787},"\u003Ch2 id=\"css-position-property-relative-absolute-fixed-and-sticky\">CSS Position Property: Relative, Absolute, Fixed and Sticky\u003C\u002Fh2>\u003Cp>\u003Cstrong>Focus keyword: CSS position.\u003C\u002Fstrong> The position property lets you take elements out of normal flow or pin them to a spot. It powers badges, tooltips, dropdown menus, sticky headers, modals and overlays. In this lesson you will learn all five values, the offset properties, how the containing block works, and the most common mistakes. All examples are live and editable.\u003C\u002Fp>\u003Ch3 id=\"trending-keywords-covered-in-this-lesson\">Trending keywords covered in this lesson\u003C\u002Fh3>\u003Cp>position relative vs absolute, position fixed, position sticky header, inset shorthand, containing block, offset properties top right bottom left, sticky not working, overflow and sticky, CSS tooltip, notification badge, overlay, scroll-margin-top, CSS anchor positioning, dvh units, position center.\u003C\u002Fp>\u003Ch2 id=\"1-the-five-position-values\">1. The Five Position Values\u003C\u002Fh2>\u003Cul>\u003Cli>\u003Cstrong>static\u003C\u002Fstrong> (default): normal flow. Offsets and z-index do not work.\u003C\u002Fli>\u003Cli>\u003Cstrong>relative\u003C\u002Fstrong>: stays in flow, and can be nudged with offsets. Its original space is kept.\u003C\u002Fli>\u003Cli>\u003Cstrong>absolute\u003C\u002Fstrong>: removed from flow and placed relative to its nearest positioned ancestor.\u003C\u002Fli>\u003Cli>\u003Cstrong>fixed\u003C\u002Fstrong>: removed from flow and placed relative to the viewport. It stays in place while scrolling.\u003C\u002Fli>\u003Cli>\u003Cstrong>sticky\u003C\u002Fstrong>: behaves like relative until a scroll threshold is reached, then sticks like fixed inside its scroll container.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"2-offset-properties-top-right-bottom-left-and-inset\">2. Offset Properties: top, right, bottom, left and inset\u003C\u002Fh2>\u003Cp>Offsets only work on positioned elements (anything except static). The shorthand \u003Ccode>inset\u003C\u002Fcode> sets all four at once: \u003Ccode>inset: 0\u003C\u002Fcode> means top, right, bottom and left are all 0. Logical versions exist too: \u003Ccode>inset-block\u003C\u002Fcode> and \u003Ccode>inset-inline\u003C\u002Fcode>, which adapt to writing direction.\u003C\u002Fp>\u003Ch2 id=\"3-position-relative\">3. position: relative\u003C\u002Fh2>\u003Cp>With relative, \u003Ccode>top: 20px\u003C\u002Fcode> moves the element 20px down from where it would normally be, without affecting neighbours. Its most common job is not to move anything, but to act as the \u003Cstrong>anchor (containing block) for absolute children\u003C\u002Fstrong>. That is why you often see \u003Ccode>position: relative\u003C\u002Fcode> with no offsets.\u003C\u002Fp>\u003Ch2 id=\"4-position-absolute\">4. position: absolute\u003C\u002Fh2>\u003Cul>\u003Cli>Takes no space in the normal flow, so siblings move up to fill the gap.\u003C\u002Fli>\u003Cli>Positions itself against the nearest ancestor whose position is not static. If there is none, it uses the initial containing block (the page).\u003C\u002Fli>\u003Cli>Without width or offsets, it shrinks to fit its content.\u003C\u002Fli>\u003Cli>With \u003Ccode>inset: 0\u003C\u002Fcode> it stretches to fill its containing block, perfect for overlays and background layers.\u003C\u002Fli>\u003Cli>Typical uses: badges, close buttons, tooltips, dropdown panels, image captions.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"5-position-fixed\">5. position: fixed\u003C\u002Fh2>\u003Cp>Fixed elements are positioned against the viewport, so they do not move on scroll. Use it for top bars, floating action buttons, cookie banners and modals. Notes: a fixed element is removed from flow, so add padding or margin to the page content to avoid overlap. If any ancestor has \u003Ccode>transform\u003C\u002Fcode>, \u003Ccode>filter\u003C\u002Fcode> or \u003Ccode>perspective\u003C\u002Fcode>, fixed positioning is calculated from that ancestor instead of the viewport. On mobile use \u003Ccode>100dvh\u003C\u002Fcode> instead of \u003Ccode>100vh\u003C\u002Fcode> for full-height layers because browser toolbars change the visible height.\u003C\u002Fp>\u003Ch2 id=\"6-position-sticky\">6. position: sticky\u003C\u002Fh2>\u003Cp>Sticky needs a threshold such as \u003Ccode>top: 0\u003C\u002Fcode>. The element scrolls normally until it reaches that offset, then stays there until its parent ends. Sticky is ideal for table headers, sidebars, section titles and table of contents.\u003C\u002Fp>\u003Ch3 id=\"why-sticky-is-not-working\">Why sticky is not working\u003C\u002Fh3>\u003Cul>\u003Cli>No \u003Ccode>top\u003C\u002Fcode>, \u003Ccode>bottom\u003C\u002Fcode>, \u003Ccode>left\u003C\u002Fcode> or \u003Ccode>right\u003C\u002Fcode> value is set.\u003C\u002Fli>\u003Cli>An ancestor has \u003Ccode>overflow: hidden\u003C\u002Fcode>, \u003Ccode>auto\u003C\u002Fcode> or \u003Ccode>scroll\u003C\u002Fcode>, which becomes the scroll container. (Use \u003Ccode>overflow: clip\u003C\u002Fcode> instead of hidden when you only want clipping.)\u003C\u002Fli>\u003Cli>The parent is exactly as tall as the sticky element, so there is no room to stick.\u003C\u002Fli>\u003Cli>In a flex container, the item stretches to full height. Add \u003Ccode>align-self: start\u003C\u002Fcode>.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"7-containing-block-cheat-sheet\">7. Containing Block Cheat Sheet\u003C\u002Fh2>\u003Cul>\u003Cli>relative: itself (for its offsets)\u003C\u002Fli>\u003Cli>absolute: nearest positioned ancestor (padding box)\u003C\u002Fli>\u003Cli>fixed: viewport (unless a transformed ancestor exists)\u003C\u002Fli>\u003Cli>sticky: nearest scrolling ancestor\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"8-anchored-headers-and-scroll-margin-top\">8. Anchored Headers and scroll-margin-top\u003C\u002Fh2>\u003Cp>When you have a sticky or fixed header, links to \u003Ccode>#section\u003C\u002Fcode> may scroll content under it. Fix it with \u003Ccode>scroll-margin-top\u003C\u002Fcode> on the target, for example \u003Ccode>section { scroll-margin-top: 80px; }\u003C\u002Fcode>.\u003C\u002Fp>\u003Ch2 id=\"9-the-new-css-anchor-positioning\">9. The New CSS Anchor Positioning\u003C\u002Fh2>\u003Cp>Modern browsers are adding \u003Cstrong>CSS anchor positioning\u003C\u002Fstrong> (\u003Ccode>anchor-name\u003C\u002Fcode>, \u003Ccode>position-anchor\u003C\u002Fcode> and \u003Ccode>anchor()\u003C\u002Fcode>) so tooltips and popovers can attach to any element without JavaScript or a relative parent. Check browser support and keep a fallback. The HTML \u003Ccode>popover\u003C\u002Fcode> attribute and \u003Ccode>dialog\u003C\u002Fcode> element pair well with it.\u003C\u002Fp>\u003Ch2 id=\"10-accessibility-notes\">10. Accessibility Notes\u003C\u002Fh2>\u003Cul>\u003Cli>Positioned elements can change visual order, but keyboard order follows the HTML. Keep them in sync.\u003C\u002Fli>\u003Cli>Do not cover focused elements with sticky or fixed bars.\u003C\u002Fli>\u003Cli>Make sure overlays can be closed with the Escape key.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"11-common-mistakes\">11. Common Mistakes\u003C\u002Fh2>\u003Cul>\u003Cli>Using absolute without a positioned parent, so the element flies to the page corner.\u003C\u002Fli>\u003Cli>Forgetting that absolute and fixed elements do not add height to the parent.\u003C\u002Fli>\u003Cli>Using top and bottom offsets on static elements.\u003C\u002Fli>\u003Cli>Sticky headers that never stick because of an overflow ancestor.\u003C\u002Fli>\u003Cli>Positioning entire page layouts with absolute instead of grid or flexbox.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2 id=\"key-takeaways\">Key Takeaways\u003C\u002Fh2>\u003Cp>Relative keeps flow and creates an anchor, absolute pins to that anchor, fixed pins to the viewport, sticky switches between relative and fixed based on scroll. Use inset for short code and prefer flex and grid for page layout.\u003C\u002Fp>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { font: 18px system-ui, sans-serif; padding: 16px; }\n  .wrap { border: 2px dashed #888; padding: 10px; margin-bottom: 16px; }\n  .box { width: 100px; height: 50px; background: #2a9d8f; color: #fff; padding: 4px; }\n  .rel { position: relative; top: 15px; left: 30px; background: #e76f51; }\n<\u002Fstyle>\n<div class='wrap'>\n  <div class='box'>Static<\u002Fdiv>\n  <div class='box rel'>Relative (moved 15px down, 30px right)<\u002Fdiv>\n  <div class='box'>Static (space of relative box is still kept)<\u002Fdiv>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { font: 18px system-ui, sans-serif; padding: 24px; }\n  .card { position: relative; width: 260px; padding: 20px; border: 1px solid #ccc; border-radius: 12px; }\n  .badge { position: absolute; top: -10px; right: -10px; background: #e63946; color: #fff; font-size: 14px; padding: 4px 10px; border-radius: 999px; }\n  .close { position: absolute; inset: 8px 8px auto auto; border: 0; background: none; font-size: 20px; cursor: pointer; }\n<\u002Fstyle>\n<div class='card'>\n  <span class='badge'>New<\u002Fspan>\n  <button class='close' aria-label='Close'>x<\u002Fbutton>\n  <h3>Product card<\u002Fh3>\n  <p>The badge and close button are absolute, the card is relative.<\u002Fp>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { font: 18px system-ui, sans-serif; padding: 40px; }\n  .tip { position: relative; display: inline-block; border-bottom: 1px dotted #333; cursor: help; }\n  .tip::after {\n    content: attr(data-tip);\n    position: absolute; bottom: 130%; left: 50%; transform: translateX(-50%);\n    background: #222; color: #fff; font-size: 14px; padding: 6px 10px; border-radius: 6px;\n    white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s;\n  }\n  .tip:hover::after, .tip:focus-visible::after { opacity: 1; }\n<\u002Fstyle>\n<p>Hover or focus this word: <span class='tip' tabindex='0' data-tip='Cascading Style Sheets'>CSS<\u002Fspan><\u002Fp>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { margin: 0; font: 18px\u002F1.6 system-ui, sans-serif; padding-top: 60px; }\n  header { position: fixed; inset: 0 0 auto 0; height: 60px; background: #264653; color: #fff; display: flex; align-items: center; padding: 0 20px; z-index: 10; }\n  main { padding: 20px; height: 1500px; }\n  .fab { position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; border: 0; background: #e76f51; color: #fff; font-size: 24px; }\n<\u002Fstyle>\n<header>Fixed header (stays on scroll)<\u002Fheader>\n<main><p>Scroll this preview down. The header and the round button stay in place.<\u002Fp><\u002Fmain>\n<button class='fab' aria-label='Add'>+<\u002Fbutton>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { font: 18px\u002F1.6 system-ui, sans-serif; margin: 0; }\n  .scroll { height: 240px; overflow: auto; border: 2px solid #264653; }\n  h3 { position: sticky; top: 0; margin: 0; padding: 10px; background: #e9c46a; }\n  p { padding: 0 10px; height: 120px; }\n<\u002Fstyle>\n<div class='scroll'>\n  <h3>Section A<\u002Fh3><p>Scroll inside this box. Each title sticks to the top.<\u002Fp>\n  <h3>Section B<\u002Fh3><p>More content here.<\u002Fp>\n  <h3>Section C<\u002Fh3><p>More content here.<\u002Fp>\n<\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-html\">\u003Cpre>\u003Ccode><style>\n  body { font: 18px system-ui, sans-serif; padding: 16px; }\n  .hero { position: relative; height: 200px; background: linear-gradient(135deg, #8ecae6, #219ebc); border-radius: 12px; overflow: hidden; }\n  .hero::before { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, .35); }\n  .hero h2 { position: absolute; inset: auto 20px 20px 20px; margin: 0; color: #fff; }\n<\u002Fstyle>\n<div class='hero'><h2>Overlay text on top of a hero<\u002Fh2><\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>\u003Cdiv class=\"try-it-yourself language-javascript\">\u003Cpre>\u003Ccode>const positions = {\n  static: 'normal flow, offsets ignored',\n  relative: 'normal flow, offsets move it visually',\n  absolute: 'out of flow, relative to nearest positioned ancestor',\n  fixed: 'out of flow, relative to viewport',\n  sticky: 'relative until threshold, then fixed inside scroll container'\n};\n\nObject.keys(positions).forEach(function (key) {\n  console.log(key + ': ' + positions[key]);\n});\u003C\u002Fcode>\u003C\u002Fpre>\u003C\u002Fdiv>",{"name":335,"slug":336},{"name":527,"slug":528},{"slug":676,"display_name":677,"job_title":5,"short_bio":5,"expertise_tags":678,"headshot":5,"long_bio":5,"credentials":5,"twitter_url":5,"linkedin_url":5,"github_url":5,"personal_website_url":5,"other_sameas_urls":5,"topics":679,"posts":680},"badar-khalil","Badar Khalil",[],[],[],"Article","https:\u002F\u002Fwpfsharp.com\u002Ftopics\u002Fposition-relative-absolute-fixed-sticky","CSS Position: Relative, Absolute, Fixed & Sticky Explained","Understand CSS position: static, relative, absolute, fixed and sticky with offsets, inset shorthand, containing blocks, sticky headers and live examples.",[686,694,698,702,706,710,714,722,726,730,734,738,742],{"id":687,"text":688,"level":23,"children":689},"css-position-property-relative-absolute-fixed-and-sticky","CSS Position Property: Relative, Absolute, Fixed and Sticky",[690],{"id":691,"text":692,"level":31,"children":693},"trending-keywords-covered-in-this-lesson","Trending keywords covered in this lesson",[],{"id":695,"text":696,"level":23,"children":697},"1-the-five-position-values","1. The Five Position Values",[],{"id":699,"text":700,"level":23,"children":701},"2-offset-properties-top-right-bottom-left-and-inset","2. Offset Properties: top, right, bottom, left and inset",[],{"id":703,"text":704,"level":23,"children":705},"3-position-relative","3. position: relative",[],{"id":707,"text":708,"level":23,"children":709},"4-position-absolute","4. position: absolute",[],{"id":711,"text":712,"level":23,"children":713},"5-position-fixed","5. position: fixed",[],{"id":715,"text":716,"level":23,"children":717},"6-position-sticky","6. position: sticky",[718],{"id":719,"text":720,"level":31,"children":721},"why-sticky-is-not-working","Why sticky is not working",[],{"id":723,"text":724,"level":23,"children":725},"7-containing-block-cheat-sheet","7. Containing Block Cheat Sheet",[],{"id":727,"text":728,"level":23,"children":729},"8-anchored-headers-and-scroll-margin-top","8. Anchored Headers and scroll-margin-top",[],{"id":731,"text":732,"level":23,"children":733},"9-the-new-css-anchor-positioning","9. The New CSS Anchor Positioning",[],{"id":735,"text":736,"level":23,"children":737},"10-accessibility-notes","10. Accessibility Notes",[],{"id":739,"text":740,"level":23,"children":741},"11-common-mistakes","11. Common Mistakes",[],{"id":743,"text":744,"level":23,"children":745},"key-takeaways","Key Takeaways",[],[747,751,754,757,760,763,766],{"id":748,"language":652,"code":749,"is_editable":750},406,"\u003Cstyle>\n  body { font: 18px system-ui, sans-serif; padding: 16px; }\n  .wrap { border: 2px dashed #888; padding: 10px; margin-bottom: 16px; }\n  .box { width: 100px; height: 50px; background: #2a9d8f; color: #fff; padding: 4px; }\n  .rel { position: relative; top: 15px; left: 30px; background: #e76f51; }\n\u003C\u002Fstyle>\n\u003Cdiv class='wrap'>\n  \u003Cdiv class='box'>Static\u003C\u002Fdiv>\n  \u003Cdiv class='box rel'>Relative (moved 15px down, 30px right)\u003C\u002Fdiv>\n  \u003Cdiv class='box'>Static (space of relative box is still kept)\u003C\u002Fdiv>\n\u003C\u002Fdiv>",true,{"id":752,"language":652,"code":753,"is_editable":750},407,"\u003Cstyle>\n  body { font: 18px system-ui, sans-serif; padding: 24px; }\n  .card { position: relative; width: 260px; padding: 20px; border: 1px solid #ccc; border-radius: 12px; }\n  .badge { position: absolute; top: -10px; right: -10px; background: #e63946; color: #fff; font-size: 14px; padding: 4px 10px; border-radius: 999px; }\n  .close { position: absolute; inset: 8px 8px auto auto; border: 0; background: none; font-size: 20px; cursor: pointer; }\n\u003C\u002Fstyle>\n\u003Cdiv class='card'>\n  \u003Cspan class='badge'>New\u003C\u002Fspan>\n  \u003Cbutton class='close' aria-label='Close'>x\u003C\u002Fbutton>\n  \u003Ch3>Product card\u003C\u002Fh3>\n  \u003Cp>The badge and close button are absolute, the card is relative.\u003C\u002Fp>\n\u003C\u002Fdiv>",{"id":755,"language":652,"code":756,"is_editable":750},408,"\u003Cstyle>\n  body { font: 18px system-ui, sans-serif; padding: 40px; }\n  .tip { position: relative; display: inline-block; border-bottom: 1px dotted #333; cursor: help; }\n  .tip::after {\n    content: attr(data-tip);\n    position: absolute; bottom: 130%; left: 50%; transform: translateX(-50%);\n    background: #222; color: #fff; font-size: 14px; padding: 6px 10px; border-radius: 6px;\n    white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s;\n  }\n  .tip:hover::after, .tip:focus-visible::after { opacity: 1; }\n\u003C\u002Fstyle>\n\u003Cp>Hover or focus this word: \u003Cspan class='tip' tabindex='0' data-tip='Cascading Style Sheets'>CSS\u003C\u002Fspan>\u003C\u002Fp>",{"id":758,"language":652,"code":759,"is_editable":750},409,"\u003Cstyle>\n  body { margin: 0; font: 18px\u002F1.6 system-ui, sans-serif; padding-top: 60px; }\n  header { position: fixed; inset: 0 0 auto 0; height: 60px; background: #264653; color: #fff; display: flex; align-items: center; padding: 0 20px; z-index: 10; }\n  main { padding: 20px; height: 1500px; }\n  .fab { position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; border: 0; background: #e76f51; color: #fff; font-size: 24px; }\n\u003C\u002Fstyle>\n\u003Cheader>Fixed header (stays on scroll)\u003C\u002Fheader>\n\u003Cmain>\u003Cp>Scroll this preview down. The header and the round button stay in place.\u003C\u002Fp>\u003C\u002Fmain>\n\u003Cbutton class='fab' aria-label='Add'>+\u003C\u002Fbutton>",{"id":761,"language":652,"code":762,"is_editable":750},410,"\u003Cstyle>\n  body { font: 18px\u002F1.6 system-ui, sans-serif; margin: 0; }\n  .scroll { height: 240px; overflow: auto; border: 2px solid #264653; }\n  h3 { position: sticky; top: 0; margin: 0; padding: 10px; background: #e9c46a; }\n  p { padding: 0 10px; height: 120px; }\n\u003C\u002Fstyle>\n\u003Cdiv class='scroll'>\n  \u003Ch3>Section A\u003C\u002Fh3>\u003Cp>Scroll inside this box. Each title sticks to the top.\u003C\u002Fp>\n  \u003Ch3>Section B\u003C\u002Fh3>\u003Cp>More content here.\u003C\u002Fp>\n  \u003Ch3>Section C\u003C\u002Fh3>\u003Cp>More content here.\u003C\u002Fp>\n\u003C\u002Fdiv>",{"id":764,"language":652,"code":765,"is_editable":750},411,"\u003Cstyle>\n  body { font: 18px system-ui, sans-serif; padding: 16px; }\n  .hero { position: relative; height: 200px; background: linear-gradient(135deg, #8ecae6, #219ebc); border-radius: 12px; overflow: hidden; }\n  .hero::before { content: ''; position: absolute; inset: 0; background: rgba(0, 0, 0, .35); }\n  .hero h2 { position: absolute; inset: auto 20px 20px 20px; margin: 0; color: #fff; }\n\u003C\u002Fstyle>\n\u003Cdiv class='hero'>\u003Ch2>Overlay text on top of a hero\u003C\u002Fh2>\u003C\u002Fdiv>",{"id":767,"language":768,"code":769,"is_editable":750},412,"javascript","const positions = {\n  static: 'normal flow, offsets ignored',\n  relative: 'normal flow, offsets move it visually',\n  absolute: 'out of flow, relative to nearest positioned ancestor',\n  fixed: 'out of flow, relative to viewport',\n  sticky: 'relative until threshold, then fixed inside scroll container'\n};\n\nObject.keys(positions).forEach(function (key) {\n  console.log(key + ': ' + positions[key]);\n});",[771,778],{"id":772,"title":773,"slug":774,"prompt":775,"starter_code":776,"expected_output":777,"language":652,"order_index":9},157,"Place a Badge on a Card","place-badge-on-card","Make the SALE badge sit in the top right corner of the card, half outside the edge. Decide which element needs position relative and which needs position absolute.","\u003Cstyle>\n  .card { width: 240px; padding: 20px; border: 1px solid #ccc; }\n  .badge { background: red; color: white; padding: 4px 10px; }\n\u003C\u002Fstyle>\n\u003Cdiv class='card'>\u003Cspan class='badge'>SALE\u003C\u002Fspan>\u003Cp>Headphones\u003C\u002Fp>\u003C\u002Fdiv>","Card is position relative, badge is position absolute with negative top and right offsets",{"id":779,"title":780,"slug":781,"prompt":782,"starter_code":783,"expected_output":784,"language":652,"order_index":23},158,"Create a Sticky Table Header","create-sticky-table-header","Make the table header stay visible while the list scrolls inside the 200px tall container. Remember to set a top value and a solid background.","\u003Cstyle>\n  .box { height: 200px; overflow: auto; }\n  th { background: #eee; }\n\u003C\u002Fstyle>\n\u003Cdiv class='box'>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Name\u003C\u002Fth>\u003Cth>Score\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>A\u003C\u002Ftd>\u003Ctd>1\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>B\u003C\u002Ftd>\u003Ctd>2\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>C\u003C\u002Ftd>\u003Ctd>3\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>D\u003C\u002Ftd>\u003Ctd>4\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>E\u003C\u002Ftd>\u003Ctd>5\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>F\u003C\u002Ftd>\u003Ctd>6\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>G\u003C\u002Ftd>\u003Ctd>7\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>H\u003C\u002Ftd>\u003Ctd>8\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003C\u002Fdiv>","th uses position: sticky with top: 0 and a solid background","2026-09-30T18:00:08+00:00",{"id":531,"slug":533,"title":532},{"id":539,"slug":541,"title":540}]