Nicole Henningsen's Blog
Posted At : October 26, 2007 12:14 PM | Posted By : Nicole Henningsen

CSS Curved Corners

Here is an example of how to create curved corners in CSS (Tested On IE & Firefox).

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I was looking for a way to create curved corners using CSS instead of an image and came up with this. This example was based off of code found on CSS play.


The CSS

<style type="text/css">
.curveBox {position:relative; width:250px; background:#3399FF; color:#ffffff; margin:5em auto;}
#cv1, #cbl, #ctr, #cbr {position:absolute; width:20px; height:20px; color:#3399FF; background:#fff; overflow:hidden; font-style:normal; z-index:1;}
#cv1 {top:0; left:0;}
#cbl {bottom:0; left:0;}
#ctr {top:0; right:0;}
#cbr {bottom:0; right:0;}
.curveBox em b {position:absolute; font-size:150px; font-family:arial; color:#3399FF; line-height:40px; font-weight:normal;}
#cv1 b {left:-8px;}
#ctr b {left:-25px;}
#cbl b {left:-8px; top:-17px;}
#cbr b {left:-25px; top:-17px;}
.curveBox p {position:relative; z-index:100; padding:5px 10px;}
</style>

The HTML
<div class="curveBox">
<em id="cv1"><b>•</b></em>
<em id="cbl"><b>•</b></em>
<em id="ctr"><b>•</b></em>
<em id="cbr"><b>•</b></em>
<p>CSS to create curved corners. This has been tested on IE, and firefox
<br>
<br>
<br>
<div align="center"><img src="images/corner.jpg" /></div>
</p>
</div>
Example

Related Categories: CSS
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Comments
[Add Comment]
Looks great in Opera, too.
# Posted By Ryan Stille | 10/31/07 3:34 PM
Hi

Too goood css thx
# Posted By snehal | 5/10/08 7:19 AM
Hi Nicole,
I found this while Googleing for curved corners without images. I've noticed that the character you use for the curve doesn't validate with any of the standard charsets. I used &#149; (0149) and with a couple of slight adjustments to spacing it looks very similar.

Cheers
# Posted By Rob | 10/22/08 5:39 AM
Shame the white corners are not transparent. I could use it in most of my themes otherwise.
# Posted By Unreal Media | 11/15/08 9:15 PM
fantastic, thanks
# Posted By hugh | 7/31/09 7:40 AM
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