Rounded corners using css

The simple way of using rounded corners using css with the header and the content in it.

HTML:
<b class="b1h"></b><b class="b2h"></b><b class="b3h"></b><b class="b4h"></b>
<div class="headh">
<h3>Here is your Header!</h3>
</div>
<div class="contenth">
<div>No images!</div>
</div>
<b class="b4bh"></b><b class="b3bh"></b><b class="b2bh"></b><b class="b1h"></b>

CSS:
.b1h, .b2h, .b3h, .b4h, .b2bh, .b3bh, .b4bh{font-size:1px; overflow:hidden; display:block;}
.b1h {height:1px; background:#aaa; margin:0 5px;}
.b2h, .b2bh {height:1px; background:#aaa; border-right:2px solid #aaa; border-left:2px solid #aaa; margin:0 3px;}
.b3h, .b3bh {height:1px; background:#aaa; border-right:1px solid #aaa; border-left:1px solid #aaa; margin:0 2px;}
.b4h, .b4bh {height:2px; background:#aaa; border-right:1px solid #aaa; border-left:1px solid #aaa; margin:0 1px;}
.b2bh, .b3bh, .b4bh {background: #ddd;}
.headh {background: #aaa; border-right:1px solid #aaa; border-left:1px solid #aaa;}
.headh h3 {margin: 0px 10px 0px 10px; padding-bottom: 3px;}
.contenth {background: #ddd; border-right:1px solid #aaa; border-left:1px solid #aaa;}
.contenth div {margin-left: 12px; padding-top: 5px;}


With this code you can easy create a fill based header and border based rounded corner content in it. Just customize the code to change the color if needed.
This article will tell you about the fill and borderd rounded corners.