html运行实例（css3_border-radius

代码示例：（标识：css3_border-radius_1）
<!DOCTYPE html>
<html>
<head>
<style> 
#rcorners1 {
  border-radius: 25px;
  background: #73AD21;
  padding: 20px; 
  width: 200px;
  height: 150px;  
}

#rcorners2 {
  border-radius: 25px;
  border: 2px solid #73AD21;
  padding: 20px; 
  width: 200px;
  height: 150px;  
}

#rcorners3 {
  border-radius: 25px;
  background: url(/static/demo/images/paper.png);
  background-position: left top;
  background-repeat: repeat;
  padding: 20px; 
  width: 200px;
  height: 150px;  
}
</style>
</head>
<body>

<h1>border-radius 属性</h1>

<p>拥有指定背景颜色的元素的圆角：</p>
<p id="rcorners1">Rounded corners!</p>
<p>带边框元素的圆角：</p>
<p id="rcorners2">Rounded corners!</p>
<p>拥有背景图片的元素的圆角：</p>
<p id="rcorners3">Rounded corners!</p>

</body>
</html>