答案 0 :(得分:0)
.myshadow
{
position:relative;
width: 100px;
height: 80px;
-webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
-moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}
.myshadow:before, .myshadow:after
{
content:"";
position:absolute;
z-index:-1;
-webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
-moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
box-shadow:0 0 20px rgba(0,0,0,0.8);
top:0;
bottom:0;
left:10px;
right:10px;
-moz-border-radius:100px / 10px;
border-radius:100px / 10px;
}
.myshadow:after
{
right:10px;
left:auto;
-webkit-transform:skew(8deg) rotate(3deg);
-moz-transform:skew(8deg) rotate(3deg);
-ms-transform:skew(8deg) rotate(3deg);
-o-transform:skew(8deg) rotate(3deg);
transform:skew(8deg) rotate(3deg);
}

<div class="myshadow"></div>
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