absolute是相对于最近定位祖先元素，relative相对于自身位置，fixed则相对于浏览器窗口固定定位。 1、 绘制两个方形。 2、 相对 ...

I've been trying to hammer out some cross-browser compatibility issues, and I'm having some trouble with an absolute positioned div placed inside a relative positioned div with the absolute div's ...