style.css

/* COVER */
.cover{position:fixed;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.4);z-index:10000}
	.cover-box{display:table;width:50%;min-width:300px;height:100%;margin:auto}
		.cover-content{display:table-cell;vertical-align:middle;width:50%;min-width:300px;}
			.cover-content-box{width:100%;min-width: 300px;background-color:#fff;padding:10px 10px 0px 10px;border-radius:3px;-webkit-box-shadow: 3px 3px 5px 6px #747474;-moz-box-shadow:3px 3px 5px 6px #747474;box-shadow:3px 3px 5px 6px #747474;border-top: solid 35px #0790bd;}
				.cover-content-box-message{width:100%;text-align:left;border-bottom:solid 2px #eee;padding:10px}
				.cover-content-box-nav{width:100%;text-align:right;padding:10px}
		.cover-button{background-color:#62baf2;border:solid 1px #67c4e3;color:#dae6f0;padding:5px 10px;cursor:pointer;border-radius:3px;margin:2px}