Does anyone know what CSS can be applied to these elements to make the side bars expand to the height of the middle div?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>This is my page</title>
<style type="text/css">
body
{
background-color:#aaaaaa;
}
#container
{
width:900px;
margin-left:auto;
margin-right:auto;
}
#leftborder
{
float:left;
width:10px;
background-color:#ff0000;
}
#rightborder
{
margin:0; padding:0;
float:right;
width:10px;
background-color:#ff0000;
}
#middlecontainer{
margin:0 10px;
}
</style>
</head>
<body>
<div id="container">
<div id="leftborder">
a
</div>
<div id="rightborder">
a
</div>
<div id="middlecontainer">
This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content This is is content
</div>
</div>
</body>
</html>