This article mainly introduces the dynamic effect of moving the mouse in and out using css. It has certain reference value. Now I share it with you. Friends in need can refer to it.
Knowledge point: transform-origin
Compatibility: IE10 or above
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style>
p {
position: absolute;
width: 200px;
height: 60px;
text-align: center;
margin: 10px auto;
}
p::before {
content: "";
position: absolute;
left: 0;
bottom: 0;
width: 200px;
height: 2px;
background: deeppink;
transition: transform .5s;
transform: scaleX(0);
transform-origin: 100% 0;//以（100%,0）坐标为基本点移动即缩小到0倍---->scaleX（0）
}
p:hover::before {
transform: scaleX(1);
transform-origin: 0 0;//以（0,0）坐标为基本点移动即放大到1倍---->scaleX（1）
}
</style>
</head>
<body>
<p>Hover Me</p>
</body>
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