<div></div>div{width: 99%; height: 300px; border-style: inset; border-width: 7px;}
External CSS
This Pen doesn't use any external CSS resources.
External JavaScript
This Pen doesn't use any external JavaScript resources.
<div></div>div{width: 99%; height: 300px; border-style: inset; border-width: 7px;}This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.