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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-transitions/transition-important.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS Transitions Test: !important property</title>
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<style>
#target {
width: 200px;
height: 200px;
background-color: green;
transition: background-color 100s;
}
.red {
background-color: red !important;
}
</style>
<div id="target"></div>
<script>
test(t => {
assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 128, 0)");
target.className = "red";
assert_equals(getComputedStyle(target).backgroundColor, "rgb(0, 128, 0)");
}, "!important should not override transition");
</script>