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    margin-left: 20px;
    width: 46px;
    height: 52px;
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    margin-top: 2px;
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}
.diggit {
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    width: 46px;
    height: 52px;
    background: url('https://static.cnblogs.com/images/downdown.gif') no-repeat;
    text-align: center;
    cursor: pointer;
    margin-top: 2px;
    padding-top: 5px;
}