​x
 
<!DOCTYPE html>
<html>
<head>
<style>
#frameDiv {
  width: 250px;
  height: 150px;
  border: 1px solid black;
}
​
#square {
  width: 60px;
  height: 60px;
  background: blue;
  offset-position: bottom right;
  offset-path: ray(45deg);
}
</style>
</head>
<body>
​
<h1>offset-position 属性</h1>
​
<div id="frameDiv">
  <div id="square"></div>
</div>
​
</body>
</html>
​