* { 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; }