css常用的阴影

一、box-shadow: 0 2px 15px 0 rgba(0,0,0,.15)!important

二、

box-shadow: 0 2px 6px 0 rgba(0,0,0,.4);

三、

.tofu-block-hover {
transition: opacity 0.3s,width 4s,height 4s;
border: 1px solid #e7e7e7;
padding: 18px;
background-color: #fff;
position: absolute;
border: 1px solid #00c1e0;
width: 120%;
height: 120%;
margin-top: -8%;
margin-left: -8%;
box-shadow: 0 0 8px #00c1e0;
z-index: 2;
/* opacity: 0; */
filter: alpha(opacity=0);
-ms-filter: progid:DXImageTransform.Microsoft.Alpha(opacity=(0));
}