<!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 { opacity: 0.5 !important; } </style> </head> <body> <p class="outer" id="el">Test passes if this text is semi-transparent.</p> </body> <script> test(() => { el.offsetTop; assert_equals(getComputedStyle(el).opacity, "0.5", "style is set correctly"); }); test(() => { el.offsetTop; el.style.opacity = 0.75; assert_equals(getComputedStyle(el).opacity, "0.5", "!important has higher priority than adding inline style"); }); test(() => { el.offsetTop; el.style.opacity = 1.0; assert_equals(getComputedStyle(el).opacity, "0.5", "!important has higher priority than modifying inline style"); }); test(() => { el.offsetTop; el.style.opacity = null; assert_equals(getComputedStyle(el).opacity, "0.5", "!important has higher priority than removing inline style"); }); </script> </html>