CSS - margin and float property
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by David Casillas
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Published on 2010-04-29T22:32:33Z
Indexed on
2010/04/29
22:37 UTC
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css-layout
|css-positioning
1.- We have a div with static positioning. Inside we have a parragraph with a margin.
The heigth of the div will be the parragraph without the margin
2.- We have a div with float:left. Inside we have a parragraph with a margin.
The heigth of the div will be the parragraph plus its margin.
What is the explanation of this? Here is the html code and the CSS code. And here is a link to the test site. http://prueba.davidcasillas.es/
<!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" xml:lang="es">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
<link href="index.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="nivel1">
<div id="nivel21">
<p>Este es el primer parrafo</p>
</div>
<div id="nivel22">
<p>Este es el primer parrafo</p>
</div>
</div>
</body>
</html>
body {
margin:0;
padding:0;
}
#nivel1 {
border:solid;
border-color:#333;
margin:0;
background-color:#0F3;
margin:2em;
}
#nivel21 {
margin:2em;
float:left;
background-color:#C00;
}
#nivel22 {
margin:2em;
background-color:#FC0;
}
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