90 lines
2.2 KiB
HTML
90 lines
2.2 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
|
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
|
|
<head>
|
|
|
|
<title>CSS Test: margin collapsing - clear with child margin</title>
|
|
|
|
<!--
|
|
Inspired by
|
|
http://test.csswg.org/suites/css2.1/20110323/html4/c5525-fltmult-000.htm
|
|
-->
|
|
|
|
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
|
|
<link rel="reviewer" title="Arron Eicholz" href="arronei(at)gmail.com" /> <!-- 2013-07-30 -->
|
|
<link rel="bookmark" href="http://lists.w3.org/Archives/Public/public-css-testsuite/2012Jan/0022.html" title="[RC6] c5525-fltmult-000 imprecise and failed by several browsers" />
|
|
<link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" title="8.3.1 Collapsing margins" />
|
|
<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />
|
|
|
|
<meta name="assert" content="An element on which 'clear' is set to a value other than 'none' can have its own margin-top collapse with its first inflow block-level child as long as no line boxes, no clearance, no padding and no border separate them." />
|
|
|
|
<style type="text/css"><![CDATA[
|
|
body {margin: 8px;}
|
|
|
|
p {margin: 1em 0em;}
|
|
|
|
div#overlapped-red
|
|
{
|
|
background-color: red;
|
|
height: 100px;
|
|
position: absolute;
|
|
width: 100px;
|
|
z-index: -1;
|
|
}
|
|
|
|
div#floated-left
|
|
{
|
|
background-color: green;
|
|
color: green;
|
|
float: left;
|
|
font: 1em/1.25 serif;
|
|
padding: 15px;
|
|
/*
|
|
|
|
15px : padding-top
|
|
+
|
|
20px : line box height
|
|
+
|
|
15px : padding-bottom
|
|
=====
|
|
50px
|
|
|
|
*/
|
|
width: 70px;
|
|
}
|
|
|
|
div#cleared-left {clear: left;}
|
|
|
|
div#child-of-cleared-left
|
|
{
|
|
background-color: green;
|
|
color: green;
|
|
height: 50px;
|
|
margin-top: 50px;
|
|
width: 100px;
|
|
}
|
|
|
|
/*
|
|
The idea is to have div#cleared-left's margin-top collapse
|
|
with div#child-of-cleared-left's margin-top. The margin collapsing
|
|
should occur before calculating clearance.
|
|
*/
|
|
]]></style>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
|
|
|
|
<div id="overlapped-red"></div>
|
|
|
|
<div id="floated-left">flt lef</div>
|
|
|
|
<div id="cleared-left">
|
|
<div id="child-of-cleared-left">chld clr</div>
|
|
</div>
|
|
|
|
</body>
|
|
</html>
|