{"id":6488,"date":"2025-07-07T16:36:33","date_gmt":"2025-07-07T21:36:33","guid":{"rendered":"https:\/\/frontendmasters.com\/blog\/?p=6488"},"modified":"2025-07-07T16:36:33","modified_gmt":"2025-07-07T21:36:33","slug":"blur1px-blur1px","status":"publish","type":"post","link":"https:\/\/frontendmasters.com\/blog\/blur1px-blur1px\/","title":{"rendered":"blur(1px) blur(1px)"},"content":{"rendered":"\n<p>I know that you can &#8220;chain&#8221; the CSS property <code>filter<\/code>, like:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-class\">.element<\/span> {\n  <span class=\"hljs-attribute\">filter<\/span>: <span class=\"hljs-built_in\">blur<\/span>(<span class=\"hljs-number\">2px<\/span>) <span class=\"hljs-built_in\">grayscale<\/span>(<span class=\"hljs-number\">80%<\/span>) <span class=\"hljs-built_in\">contrast<\/span>(<span class=\"hljs-number\">200%<\/span>);\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>All three of those filters will apply. But somehow I never thought about applying the <em>same<\/em> filter more than once. That also works, and they don&#8217;t override each other, they &#8220;stack&#8221; (or whatever you want to call it).<\/p>\n\n\n\n<p>So here&#8217;s some useless bar trivia for you. What is blurrier, <code>filter: blur(2px)<\/code> or <code>filter: blur(1px) blur(1px)<\/code>? <a href=\"https:\/\/codepen.io\/editor\/chriscoyier\/pen\/WbvgarL?file=%2Fstyle.css&amp;orientation=left&amp;show=split\">Answer<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I know that you can &#8220;chain&#8221; the CSS property filter, like: All three of those filters will apply. But somehow I never thought about applying the same filter more than once. That also works, and they don&#8217;t override each other, they &#8220;stack&#8221; (or whatever you want to call it). So here&#8217;s some useless bar trivia [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"sig_custom_text":"","sig_image_type":"featured-image","sig_custom_image":0,"sig_is_disabled":false,"inline_featured_image":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[218,7,262,39],"class_list":["post-6488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-beat","tag-blur","tag-css","tag-filter","tag-typography"],"acf":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/frontendmasters.com\/blog\/wp-content\/uploads\/2025\/07\/pexels-photo-301673.jpeg?fit=867%2C1300&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/6488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/comments?post=6488"}],"version-history":[{"count":1,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/6488\/revisions"}],"predecessor-version":[{"id":6490,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/6488\/revisions\/6490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/media\/6489"}],"wp:attachment":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/media?parent=6488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/categories?post=6488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/tags?post=6488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}