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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: 'contain: size' on select objects should cause them to be sized as if they have no contents.</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
<link rel="match" href="contain-size-select-elem-005-ref.html">
<style>
select {
contain: size;
color: transparent;
/* We make scrollbars transparent because some <option> elements can cause
overflow, which can cause scrollbars to be active in the test and
inactive in the reference. But the test only cares about the sizing. */
scrollbar-color: transparent transparent;
}
.fsMedium {
/* custom styling for some select elements, which is allowed to influence
their size (in the same way that it influences the size of an empty
select element): */
font-size: 10px;
}
.fsSmall {
/* custom styling for some option elements (which would make their parent
select elem shorter, except for the fact that it's size-contained): */
font-size: 6px;
}
</style>
</head>
<body>
<!-- No contents: -->
<select multiple ></select>
<select multiple size="1" ></select>
<select multiple class="fsMedium"></select>
<!-- Empty option: -->
<select multiple ><option></option></select>
<select multiple size="1" ><option></option></select>
<select multiple class="fsMedium"><option></option></select>
<br><br>
<!-- Nonempty option: -->
<select multiple ><option>X</option></select>
<select multiple size="1" ><option>X</option></select>
<select multiple class="fsMedium"><option>X</option></select>
<!-- Nonempty option with custom font-size: -->
<select multiple ><option class="fsSmall">X</option></select>
<select multiple size="1" ><option class="fsSmall">X</option></select>
<select multiple class="fsMedium"><option class="fsSmall">X</option></select>
</body>
</html>
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