We would like to know how to border-width: 30px;.
<!DOCTYPE html>
<html>
<body>
<style>
#pointer {<!--from w w w .j a va 2 s .c om-->
height: 100px;
border-style: solid;
border-width: 30px;
border-color: #333 #999;
}
</style>
<div id="pointer">Inside border</div>
</body>
</html>
The code above is rendered as follows: