#global {
     margin: 0;
     text-align: center;
     width: 100%;
     }
     
div.div-center {
	margin-left: auto;
	margin-right: auto;
	width: 590px;
	text-align: center;
}

.img-cptch {
	border: solid 1px #b5b8c8;
	cursor: pointer;
	height: 30px;
	width: 120px;
}