css+div绝对定位_html/css_WEB-ITnose

css样式：

@charset "utf-8"; /* CSS Document */

div { width:200px; height:60px; position:absolute; border:1px dashed #0000ff; }

#block1 { left:20px; top:20px; z-index:1; background-color:#99ccff; }

#block2 { left:80px; top:40px; z-index:3; background-color:#ffff66; }

#block3 { left:60px; top:60px; z-index:-1; background-color:#ff9900; }