* {
	margin:0;
	padding:0;
}
.tab {
	width:750px;
	border:1px outset black;
	border-radius:5px;
}
ul>li {
	float:left;
	list-style:none;
	padding:5px 7px;
	margin-top:8px;
	margin-left:5px;
	border-radius:5px;
	color:#1c8cbe;
}
.btn {
	background:white;
	color:#de8915;
}
.clearfix::before,.clearfix::after {
	display:block;
	content:"";
	clear:both;
}
.ys {
	margin-top:5px;
	margin-left:5px;
	width:740px;
	height:40px;
	background:#f7be5e;
	border-radius:5px;
	border-bottom:1px outset #e5910a;
}
.con {
	margin-top:10px;
	margin-left:10px;
}
.con-1 {
	font-size:13px;
	display:none;
}
.active {
	display:block;
}