title: CSS container div not getting height
body: <p>I want my container div to get the height of max of its children's height. without knowing what height the child <code>div</code>s are going to have. I was trying out on <a href="http://jsfiddle.net/gtdfY/2/" rel="noreferrer">JSFiddle</a>. The container <code>div</code> is on red. which is not showing up. Why?</p>