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<!DOCTYPE html>
<meta charset="utf-8">
<title>
Forced colors mode - active selection.
</title>
<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-colors-properties">
<link rel="help" href="https://www.w3.org/TR/css-pseudo-4/#highlight-styling">
<link rel=match href="forced-colors-mode-14-ref.html">
<style>
br::selection {
background-color: transparent;
forced-color-adjust: none;
}
span {
/* inline-block to ensure the selection bounding rectangle matches that of the
span. This allows us to test selection using a reference test. */
display: inline-block;
}
.select::selection {
background-color: rgba(255, 0, 0, 0.99); /* alpha < 1 so that we don't blend the background color with white. */
color: blue;
}
#adjust-none {
forced-color-adjust: none;
}
#adjust-none-on-highlight::selection {
forced-color-adjust: none;
}
<!--
"
The forced-color-adjust property cannot be set on highlight pseudo-elements;
however a highlight pseudo-element must honor any forced colors mode applied
to its originating element (and is therefore subject to the control of the
originating element’s forced-color-adjust value).
"
coming from
https://www.w3.org/TR/css-pseudo-4/#highlight-styling
-->
</style>
<body>
<div id="adjust-none">
<span class="select">AAA</span>
</div>
<span id="adjust-none-on-highlight" class="select">AAA</span>
</body>
<script>
var node1 = document.getElementsByClassName('select')[0].firstChild;
var node2 = document.getElementsByClassName('select')[1].firstChild;
var range = document.createRange();
range.setStart(node1, 0);
range.setEnd(node2, node2.length);
window.getSelection().addRange(range);
</script>
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