--- title: Testing Feature Support for Modern CSS | daily.dev description: Tests for CSS support can be done directly in your stylesheets using. You can also test for selectors such as,,, and more. A significant limitation of is that... canonical: https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Testing Feature Support for Modern CSS | daily.dev og:description: Tests for CSS support can be done directly in your stylesheets using. You can also test for selectors such as,,, and more. A significant limitation of is that... og:url: https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0 og:image: https://api.daily.dev/og/posts/kVo1g4YQ0.png og:image:alt: Testing Feature Support for Modern CSS og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Testing Feature Support for Modern CSS **[Modern CSS Solutions](https://daily.dev/sources/moderncss)** · 11 min read · 16 upvotes · 0 comments ## Summary Tests for CSS support can be done directly in your stylesheets using. You can also test for selectors such as,,, and more. A significant limitation of is that it currently cannot test for at-rules, meaning it cannot detect support of (container queries), (cascade layers), and others. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#testing](https://daily.dev/tags/testing), [#css](https://daily.dev/tags/css), [#browsers](https://daily.dev/tags/browsers) [View this post on daily.dev](https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Testing Feature Support for Modern CSS","url":"https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0"},"datePublished":"2023-05-01T14:00:49.774Z","dateModified":"2023-05-01T14:00:49.238Z","description":"Tests for CSS support can be done directly in your stylesheets using. You can also test for selectors such as,,, and more. A significant limitation of is that...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/1efe6adb267e464faa0e796ec7e3d98a","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/1efe6adb267e464faa0e796ec7e3d98a","isAccessibleForFree":true,"articleSection":"Modern CSS Solutions","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Modern CSS Solutions","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/5a5ee79f3c4d4852ab56651ee24e880a","url":"https://daily.dev/sources/moderncss"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/testing-feature-support-for-modern-css-kvo1g4yq0","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":16},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"testing,css,browsers","timeRequired":"PT11M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Modern CSS Solutions","item":"https://daily.dev/sources/moderncss"},{"@type":"ListItem","position":3,"name":"Testing Feature Support for Modern CSS"}]} ```