.app{text-align:center;width:900px;margin:50px auto;box-shadow:0 0 10px 1px rgba(0,0,0,.15);overflow:hidden;background:#fff}.app-logo{height:80px}.app-header{background-color:#222;background:url(https://alibaba.github.io/dawn/assets/banner-sm.jpg);background-size:100%;height:190px;line-height:190px;padding:0 20px;color:hsla(0,0%,100%,.9);font-size:30px}.app-welcome{padding:0;margin:0;text-shadow:2px 2px 10px rgba(0,0,0,.5)}.app-intro{font-size:large;padding:40px}.app-links{text-align:center;margin:0;padding:30px;border-top:1px solid hsla(0,0%,87%,.5)}.app-links li{display:inline-block}.app-links li a{padding:5px;color:#008b8b}.app-links li a:hover{color:#daa520}body{margin:0;padding:0;background:#eee;font-weight:400;font-size:16px;font-family:Helvetica Neue,Helvetica,Microsoft YaHei,Arial,"sans-serif";-webkit-font-smoothing:antialiased;color:#333}