The CSS Overflow Property
Writing buffer overflow exploits - a tutorial for beginners
CSS Fundamentals: Containing Children - Nettuts+
I've received multiple requests for simpler CSS tutorials that teach the tricky fundamentals. This will serve as the first entry in a series that will receive new additions sporadically each month. Today, we'll be reviewing the overflow: hidden, and clearfix tricks to force a parent div to contains its children.
net.tutsplus.com: css fundamentalsとっても使えるoverflowプロパティ。その使い方色々。｜CSS HappyLife