servo/tests/wpt/web-platform-tests/css/css-pseudo/reference/selection-overlay-and-grammar-001-ref.html

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HTML

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>CSS Reftest Reference</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<style>
div
{
font-size: 60px;
line-height: 90px;
}
div#overlapped-line
{
color: transparent;
margin-bottom: -90px;
}
span#single-word
{
background-color: yellow;
}
span#overlapping-line
{
background-color: rgba(0%, 50%, 100%, 0.5);
/*
a very lite blue color
according to
https://www.colorhexa.com/7fbfff
*/
color: yellow;
}
</style>
<script>
function startTest()
{
document.getElementById("reference").blur();
/*
Some browsers, like Chromium 80+, will
transfer focus to a selected element
like a contenteditable div and
therefore style the border of
such element. We remove such
focus with the blur() method.
*/
}
</script>
<body onload="startTest();">
<p>PREREQUISITE: User agent needs to have an enabled and capable grammar error module. If it does not, then this test does not apply to such user agent.
<p>Test passes
<ul>
<li>if each glyph of the sentence is yellow
<li>if "thing" has a desaturated lime green background
<li>if the other words have a very lite blue background and
<li>if there is no red.
</ul>
<div id="overlapped-line">Many <span id="single-word">thing</span> can happen.</div>
<div contenteditable="true"><span id="overlapping-line">Many thing can happen.</span></div>