Curved Corners using CSS

Firefox, Flock, SeaMonkey

All Corners

-moz-border-radius:15px;

Individual Corners

-moz-border-radius-topleft:15px;

-moz-border-radius-topright:15px;

-moz-border-radius-bottomleft:15px;

-moz-border-radius-bottomright:15px;

Safari & Chrome

All Corners

-webkit-border-radius:15px;

Individual Corners

-webkit-border-top-left-radius:15px;

-webkit-border-top-right-radius:15px;

-webkit-border-bottom-left-radius:15px;

-webkit-border-bottom-right-radius:15px;

Explorer and Opera

Microsoft announced in March 2010 their compliance with next generation; CSS3 in Internet Explorer 9

Opera still waiting...