Files
tubestation/layout/reftests/async-scrolling/bg-fixed-in-opacity.html
Kartikaya Gupta f14187c168 Bug 1650081 - Use scrollbar-width:none instead of overflow:hidden to hide scrollbars. r=botond
Instead of using overflow:hidden on the body to hide the scrollbar, this
patch sets scrollbar-width:none on the html element. In some cases
overflow:hidden is set on non-root scrollers (i.e. div elements); in those
cases it is replaced by overflow:scroll;scrollbar-width:none to get an
equivalent effect.

One test had a pre-existing visible scrollbar on a nested scrollframe, but
which started failing with a small fuzz difference. I left the scrollbar as-is
and added an annotation to the reftest.list file.

Note that this only updates the tests that use reftest-async-scroll as those
were the cases that were easily detectable, and causing problems with the
apz.allow_zooming=true pref.

Differential Revision: https://phabricator.services.mozilla.com/D82032
2020-07-03 19:50:11 +00:00

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626 B
HTML

<!DOCTYPE html>
<html reftest-async-scroll
reftest-displayport-x="0" reftest-displayport-y="0"
reftest-displayport-w="800" reftest-displayport-h="2000"
reftest-async-scroll-x="0" reftest-async-scroll-y="50.23">
<style>
html {
scrollbar-width: none;
}
body {
margin: 0px;
position: relative;
height: 1200.23px;
}
.fixed-background {
position: absolute;
top: 0px;
bottom: 0px;
width: 100px;
background: linear-gradient(blue, blue) no-repeat fixed 0px 200px;
background-size: 100px 100px;
opacity: 0.5;
}
</style>
<div style="overflow: hidden;" class="fixed-background"></div>
</html>