| <!DOCTYPE html> |
| <title>Test that rem units are responsive to animated font-size on root</title> |
| <link rel="help" href="https://drafts.csswg.org/css-animations/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| @keyframes font_size_animation { |
| from { font-size: 10px; } |
| to { font-size: 20px; } |
| } |
| :root { |
| font-size: 1px; |
| animation: font_size_animation steps(2, end) 1000s -500s; |
| } |
| |
| #target1 { |
| width: 1rem; |
| } |
| </style> |
| <div id="target1"></div> |
| <script> |
| test(() => { |
| assert_equals(getComputedStyle(target1).getPropertyValue('width'), '15px'); |
| }, 'Animated font-size on root affects rem units'); |
| </script> |
