<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#div1{
width: 200px;
height: 138px;
border: #000 solid 1px;
margin: 50px auto;
overflow: hidden;
}
#div1 img{
cursor: pointer;
transition: all 0.6s;
}
#div1 img:hover{
transform: scale(1.4);
}
</style>
</head>
<body>
<div id="div1">
<img src="demo.jpg" />
</div>
</body>
</html>