CSS:如何添加带边框的圆角和没有图像？

我没有尝试,但你可以看看这个

Nifty Corners Cube: rounded corners without images - 
URL is http://www.html.it/articoli/niftycube/index.html

或者你可以试试

JQuery Corners - 
http://www.atblabs.com/jquery.corners.html

用法示例 -

  Example with different x and y sizes.



Works with:

    * iPhone
    * Chrome
    * Firefox
    * Safari 2+
    * Opera 9.0+
    * Internet Explorer 6+
    * and probably more...