How do I make corners rounded only on the top part of the border in css?

css, html

Solution

Brendan's answer is correct, but to get it to render in more browsers, you should use this:

-moz-border-radius: 0px;
-webkit-border-radius: 3px 3px 0px 0px;
border-radius: 3px 3px 0px 0px; 

Problem

In my site I need to make a div have rounded corners only on the top corners. But I don't know how to do this. Can someone help me?

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