HTML5 3D云层效果(跟随鼠标移动)，云彩做的非常逼真，不禁想到HTML5真是好东西，希望IE赶快支持吧。 　　注意，本效果需要载入WEBGL，CPU占用有点高，配置低的电脑估计运行会很卡。-HTML5 3D cloud effects (follow the mouse), the clouds do very realistic, can not help but think HTML5 is really good stuff, I hope IE support too qui