Animation How to - Enlarge image Overflow hidden

Question

We would like to know how to enlarge image Overflow hidden.

Answer


<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
#wrapper {<!--from  w  w w .java  2s  .  com-->
  width: 300px;
  height: 300px;
  border-radius: 300px;
  overflow: hidden;
  border: solid 10px #000;
  background-color: #f30;
  z-index: 3;
}
#wrapper span {
  width: 300px;
  height: 300px;
  top: 0;
  background-color: red;
  transition: all 0.5s;
  z-index: 1;
  overflow: hidden;
  background-image:url(http://www.java2s.com/style/download.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  display: inline-block;
  background-position: center center;
}
#wrapper:hover>span {
  opacity: .5;
  background-size: 120% 120%;
}
</style>
</head>
<body>
  <div id="wrapper">
    <span></span>
  </div>
</body>
</html>

The code above is rendered as follows: