透明背景

.dialog{position:absolute;padding:5px;background:rgba(0,0,0,0.1);-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#22000000,endColorstr=#22000000);}
.dialog-inner{background:#f6fbff;border:1px solid #779cb0;}