<!DOCTYPE html>
<title>CSS Test: Percentage sizing in flexboxes</title>
<link rel="author" title="Google Inc." href="http://www.google.com/">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#definite-sizes">
<link rel="match" href="percentage-heights-002-ref.html">
<meta name="assert" content="Checks that we correctly size percentage-sized
children of absolute-positioned flex boxes">
<style>
body {
position: relative;
width: 800px;
height: 600px;
}
#container {
background-color: red;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
display: flex;
flex-direction: column;
}
#top-bar {
background-color: green;
height: 20%;
}
#content {
background-color: blue;
flex-basis: 100%;
}
</style>
<div id="container">
<div id="top-bar">
Tests that percentage heights get resolved correctly when the flexbox is
</div>
<div id="content">
absolutely positioned without an explicit height. You should see no red.
</div>
</div>
Codebase Browser
chromium