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Diffstat (limited to '')
| -rw-r--r-- | layout/reftests/async-scrolling/dynamic-toolbar-sticky-top-1.html | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/layout/reftests/async-scrolling/dynamic-toolbar-sticky-top-1.html b/layout/reftests/async-scrolling/dynamic-toolbar-sticky-top-1.html new file mode 100644 index 0000000000..1952a9c086 --- /dev/null +++ b/layout/reftests/async-scrolling/dynamic-toolbar-sticky-top-1.html @@ -0,0 +1,40 @@ +<!DOCTYPE HTML> +<!-- + Tests that setting a fixed top margin in the compositor results + in the margin being applied to an element sticky to the top. + + The fixed margin is specified as a test-pref in reftest.list. + + The purpose of the fixed margin is to compensate for the transform that the + dynamic toolbar applies to the entire content area. We don't have a way of + simulating that transform in a reftest, so the fixed margin in isolation will + cause the fixed element to be offset from the top of the screen. +--> +<html> +<meta name="viewport" content="width=device-width"> +<style> +html { + scrollbar-width: none; +} +#scrolled { + display: flex; + justify-content: space-around; + align-items: flex-start; + + height: 2000px; + width: 100%; +} +#sticky { + width: 100%; + height: 200px; + position: sticky; + top: 20px; + background: red; +} +</style> +<body> + <div id="scrolled"> + <div id="sticky"></div> + </div> +</body> +</html> |