body {
		  margin: 0;
		  font-family: arial, helvetica; sans-serif;
		}

		#mask {
		  position: absolute;
		  top: 0;
		  left: 0;
		  z-index: 9000;
		  background-color: #000;
		  display: none;
		}

		#dialog {
		  position: absolute;
		  display: none;
		  z-index: 9999;
		  padding: 20px;
		  width: 300px; 
		  height: 120px;
		  background-color: #d5eef7;
		  border: 1px solid #555555;
		  -moz-border-radius: 10px;
	   	  -webkit-border-radius: 10px;
		  border-radius: 10px;
		}

		#dialog h1 {
			text-align: center;
			font-size: 16px;
			color: #15a6d7;
		}

		#dialog a {
			display: block;
			padding: 3px;
			text-align: center;
			margin: 4px 0;
			background-color: #15a6d7;
			border: 1px solid #fff;
			color: #fff;
			font-size: 12px;
			text-decoration: none;
		}
		
		#dialog a#btn_cancel {
			background-color: #ccc;
			color: #555;
		}