<!DOCTYPE html>
<link rel="author" title="Lin Peng" href="mailto:[email protected]">
<link rel="help" href="http://www.w3.org/TR/css3-background/#border-radius">
<head>
<style>
.div1
{
width: 109px;
height: 100px;
background: lightgreen;
border-top-right-radius: 10px;
clip-path: polygon(0 0, 109px 0px, 109px 100px, 100px 100px);
}
.div2
{
position: relative;
top: -100px;
width: 109px;
height: 200px;
background: black;
border-bottom-left-radius: 10px;
clip-path: polygon(0 0, 0px 200px, 100px 200px, 100px 100px);
}
</style>
</head>
<body>
<div class="div1"></div>
<div class="div2"></div>
</body>