css 背景图片拉伸[转]
http://www.jeasyuicn.com/css-background-image-stretching.html
background-image:url(bg.png); -moz-background-size: 100% 100%; -o-background-size: 100% 100%; -webkit-background-size: 100% 100%; background-size: 100% 100%; -moz-border-image: url(bg.png) 0; background-repeat:no-repeat9; background-image:none9; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='bg.png', sizingMethod='scale')9;