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<!doctype html>
<html class="reftest-wait">
<title>CSS Backgrounds: local attachment with flex-direction: column-reverse scroll</title>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#the-background-attachment">
<link rel="match" href="local-attachment-flex-column-reverse-scroll-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
.container {
width: 100px;
height: 100px;
display: flex;
flex-direction: column-reverse;
overflow-y: auto;
scrollbar-width: none;
/* This is a multi-layered background for testing. */
background:
local linear-gradient(to bottom, yellow 50%, blue 50%) 0 0 / 100% 100% no-repeat,
radial-gradient(farthest-side at 0 50%, rgba(0,0,0,0.2), transparent) 0 0 / 20px 100% no-repeat,
radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,0.2), transparent) 100% 0 / 20px 100% no-repeat;
}
.content {
width: 20px;
height: 100px;
flex-shrink: 0;
}
</style>
<div id="init_scrolled" class="container">
<div class="content"></div>
<div class="content"></div>
</div>
<div id="mid_scrolled" class="container">
<div class="content"></div>
<div class="content"></div>
</div>
<div id="max_scrolled" class="container">
<div class="content"></div>
<div class="content"></div>
</div>
<script>
// In flex column-reverse setting, scrolling moves scrollTop towards negative values.
mid_scrolled.scrollTop = -50;
max_scrolled.scrollTop = -100;
waitForAtLeastOneFrame().then(() => {
takeScreenshot();
});
</script>
</html>
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