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Test Info:
<!DOCTYPE html>
<!--
Any copyright is dedicated to the Public Domain.
-->
<!-- This test verifies that we honor percent widths on content inside of
a <button> element (resolving the percent against the <button>).
(In this testcase, the button has no focus-border/padding.) -->
<html>
<head>
<style>
button {
border: 0;
padding: 0;
font: 10px sans-serif;
vertical-align: top;
color: black;
background: gray;
-moz-appearance: none;
}
button::-moz-focus-inner {
padding: 0;
border: 0;
}
div.p80 {
width: 80%;
background: pink;
}
div.p100 {
width: 100%;
background: yellow;
}
</style>
</head>
<body>
<!--Button has explicit width for us to resolve against: -->
<button style="width: 100px">
<div class="p80">abc</div>
</button>
<button style="width: 100px">
<div class="p100">abc</div>
</button>
<!--Button is using intrinsic width: -->
<button>
<div class="p80">abc</div>
</button>
<button>
<div class="p100">abc</div>
</button>
</body>
</html>