AP div with auto scroll

How to set a div to auto adjust it's height with available browser height - http://stackoverflow.com/questions/6037008/how-to-set-a-div-to-auto-adjust-its-height-with-available-browser-height

by clairesuzy

HTML

<div id="resize">
    <p>drag top of this frame down to see scroll activate</p><p>content</p><p>content</p><p>content</p>
</div>

CSS

#resize {
    background: #444;
    color: white;
    position: absolute;
    top: 50px;
    left: 50px;
    right: 50px;
    bottom: 50px;
    overflow: auto;
}

p {line-height: 2; margin: 0;}