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:hover事件触发自己的:afert伪类事件(.class:hover::after)

.toolbar-item:after {
content: "";
position: absolute;
width: 172px;
right: 46px;
bottom: -10px;
background: url(../img/toolbar_img.png) no-repeat;
opacity: 0;
transform-origin: 95% 95%;
transform: scale(0.01);
transition: all 1s;
-webkit-transition: all 1s;
}

.toolbar-item:hover::after{
opacity: 1;
transform: scale(1);
}

最后更新:2017-06-18 11:34:01

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