body:before{content:'';position:absolute;width:100%;height:500px;left:0;top:0;z-index:-1;background:#77bfff;background:-moz-linear-gradient(top,#77bfff 0,#fff 100%);background:-webkit-linear-gradient(top,#77bfff 0,#fff 100%);background:linear-gradient(to bottom,#77bfff 0,#fff 100%);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#77bfff',endColorstr='#ffffff',GradientType=0)}