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.