<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>CSS Cascade: inline style loses to !important</title> <link rel="help" href="https://www.w3.org/TR/css-cascade-4/#cascade-sort"> <link rel="author" href="mailto:sesse@chromium.org"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <style> .outer { font-size: 18px !important; line-height: 2em; border: 1px solid black; } </style> </head> <body> <p class="outer" id="el">Test passes if the line-height is twice the font size.</p> </body> <script> test(() => { el.offsetTop; assert_equals(getComputedStyle(el).lineHeight, "36px", "style is set correctly"); }); test(() => { el.offsetTop; el.style.fontSize = "24px"; assert_equals(getComputedStyle(el).lineHeight, "36px", "!important has higher priority than adding inline style"); }); test(() => { el.offsetTop; el.style.fontSize = "36px"; assert_equals(getComputedStyle(el).lineHeight, "36px", "!important has higher priority than modifying inline style"); }); test(() => { el.offsetTop; el.style.fontSize = null; assert_equals(getComputedStyle(el).lineHeight, "36px", "!important has higher priority than removing inline style"); }); </script> </html>