the width of the outer tag is smaller than that of the internal tag, so how to display
in the internal tag play?
the width of the outer tag is smaller than that of the internal tag, so how to display
in the internal tag play?give the location when the width is fixed:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.main{
position: relative;
width: 100px;
margin: auto;
height: 100px;
border: 1px solid -sharpccc;
}
.main .child{
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
width: 200px;
height: 100px;
border: 1px solid -sharp333;
}
</style>
</head>
<div class="main">
<div class="child">
</div>
</div>
<body>
</body>
</html> 
is fixed, the internal tag uses margin-left:-*px, or translateX ()
. If the width is not fixed, use js to calculate the width difference, and use js to control margin-left;
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