* {
	padding:0;
	margin:0;
}
.box {
	width:800px;
	margin:10px auto;
	background:#fff;
}
.box p {
	color:#333;
}
.arrow_box {
	width:30px;
	height:30px;
	margin:20px 0;
	position:relative;
	cursor:pointer;
}
/*右箭头*/
		.right {
	width:20px;
	height:20px;
	position:absolute;
	left:0;
	top:0;
	/*border:1px solid blue;
	*/
}
.right-arrow1,.right-arrow2 {
	width:0;
	height:0;
	display:block;
	position:absolute;
	left:0;
	top:0;
	border-top:10px transparent dashed;
	border-right:10px transparent dashed;
	border-bottom:10px transparent dashed;
	border-left:10px #fff solid;
	overflow:hidden;
}
.right-arrow1 {
	left:1px;
	/*重要*/
		    border-left:10px #333 solid;
}
.right-arrow2 {
	border-left:10px #fff solid;
}
/*左箭头*/
		.left {
	width:20px;
	height:20px;
	position:absolute;
	left:0;
	top:0;
	z-index:2;
	/*兼容ie8-*/
		    /*border:1px solid blue;
	*/
}
.left-arrow1,.left-arrow2 {
	width:0;
	height:0;
	display:block;
	position:absolute;
	left:0;
	top:0;
	z-index:5;
	/*兼容ie8-*/
		    border-top:10px transparent dashed;
	border-left:10px transparent dashed;
	border-bottom:10px transparent dashed;
	border-right:10px white solid;
	overflow:hidden;
}
.left-arrow1 {
	border-right:10px #333 solid;
}
.left-arrow2 {
	left:1px;
	/*重要*/
		   border-right:10px #fff solid;
}
/*上箭头*/
		.top {
	width:20px;
	height:20px;
	position:absolute;
	left:0;
	top:0;
	z-index:2;
	/*兼容ie8-*/
		    /*border:1px solid blue;
	*/
}
.top-arrow1,.top-arrow2 {
	width:0;
	height:0;
	display:block;
	position:absolute;
	left:0;
	top:0;
	z-index:5;
	/*兼容ie8-*/
		    border-top:10px transparent dashed;
	border-left:10px transparent dashed;
	border-right:10px transparent dashed;
	border-bottom:10px white solid;
	overflow:hidden;
}
.top-arrow1 {
	border-bottom:10px #333 solid;
}
.top-arrow2 {
	top:1px;
	/*重要*/
		    border-bottom:10px #fff solid;
}
/*下箭头*/
		.bottom {
	width:20px;
	height:20px;
	position:absolute;
	left:0;
	top:0;
	z-index:2;
	/*兼容ie8-*/
		    /*border:1px solid blue;
	*/
}
.bottom-arrow1,.bottom-arrow2 {
	width:0;
	height:0;
	display:block;
	position:absolute;
	left:0;
	top:0;
	z-index:5;
	/*兼容ie8-*/
		    border-bottom:10px transparent dashed;
	border-left:10px transparent dashed;
	border-right:10px transparent dashed;
	border-top:10px white solid;
	overflow:hidden;
}
.bottom-arrow1 {
	top:1px;
	/*重要*/
		    border-top:10px #333 solid;
}
.bottom-arrow2 {
	border-top:10px #fff solid;
}
.box .arrow {
	width:0px;
	height:0px;
	border:10px solid #333;
	margin:10px;
}
/*右箭头*/
		.box .arrow_you2 {
	border-bottom:10px transparent solid;
	border-right:10px transparent solid;
	border-left:10px #333 solid;
	border-top:10px transparent solid;
}
/*左箭头*/
		.box .arrow_zuo2 {
	border-bottom:10px transparent solid;
	border-left:10px transparent solid;
	border-right:10px #333 solid;
	border-top:10px transparent solid;
}
/*上箭头*/
		.box .arrow_top2 {
	border-left:10px transparent solid;
	border-right:10px transparent solid;
	border-bottom:10px #333 solid;
	border-top:10px transparent solid;
}
/*下箭头*/
		.box .arrow_bottom2 {
	border-bottom:10px transparent solid;
	border-right:10px transparent solid;
	border-top:10px #333 solid;
	border-left:10px transparent solid;
}