*{margin: 0;padding: 0;outline: 0}
 body{
 	font-family: Open Sans;font-weight: 300;
 	font-size: 16px;background-color: #fff
 }

 .wrapper{
 	width: 80%;margin: 0% auto;
 	height: 800px;margin-top: 10px;

 }
 .cu_btn{
	margin-left: 30px;margin-top: 20px
 }
 .tutitle{
 	text-align: center;color: #222;margin-top: 30px
 }