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				杜发明 这个简单,只用css可实现:css3过渡:transition: 过渡的属性 过渡的时间(秒);    一般和:hover搭配使用。详细可查w3c 
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				此生不换93 刚刚那个不完整
p::after {
        height: 16px;
        content: "";      // '...'
        position:absolute;
        bottom:9px;
        right:0;
        padding-left:30px;
        background:-webkit-linear-gradient(left,transparent,#fff 55%);
        background:-o-linear-gradient(right,transparent,#fff 55%);
        background:-moz-linear-gradient(right,transparent,#fff 55%);
        background:linear-gradient(to right,transparent,#fff 55%);
      } 
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				此生不换93 height: 16px;
        content: "";      // '...'
        position:absolute;
        bottom:9px;
        right:0;
        padding-left:30px;
        background:-webkit-linear-gradient(left,transparent,#fff 55%);
        background:-o-linear-gradient(right,transparent,#fff 55%);
        background:-moz-linear-gradient(right,transparent,#fff 55%);
        background:linear-gradient(to right,transparent,#fff 55%); 
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				慕虎1618318 box-shadow