求一种 JS 效果,就是,点击一下按钮,会 “向下”展开所有图片,再次点击...答:body, div, p, th, td, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, p, dd, dl { margin: 0;padding: 0;} body {color: #444444;font: 12px/1.2 Arial,"宋体",Verdana,Lucida,Helvetica,sans-serif;white-space: normal; background:url(../images/body_bg.jpg)...