将CSS3框阴影设置为不在div的顶部

问题描述

我有一个带有框阴影设置的div框与以下CSS：

  -moz-box-shadow ：1px 1px 15px＃415a68; 
 -webkit-box-shadow：1px 1px 15px＃415a68; 
 -khtml-box-shadow：1px 1px 15px＃415a68; 
 box-shadow：1px 1px 15px＃415a68; 
  

我可以做什么使box-shadow只适用于div的左边，右边和底部

解决方案

.

EDIT

box-shadow does not allow right and left shadows at the same time.

There is a trick, though...read on.

The rule takes four values:

1. defines the horizontal offset of the shadow. + value for a right shadow and - value for a left shadow.
2. defines the vertical offset. + value for a bottom shadow and - value for a top shadow.
3. defines the blur distance
4. defines the spread

That is all true. However, after some tests I found you can layer shadows.

All you need to do is separate the values with a comma.

So, for a left, right, and bottom shadow on one div, you can do this

box-shadow: -5px 5px 3px black, 5px 5px 3px black;

Example: http://jsfiddle.net/jasongennaro/HWCzJ/1/

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