File: percent-width-child.html

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<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!-- 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;
}

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>