导航菜单html代码

<div class='sucaihuo'>
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</div>

.sucaihuo span{background:#fff;display:inline-block;line-height:3em;padding:0 1em;margin-top:0.5em;position:relative;-webkit-transition: background-color 0.2s, margin-top 0.2s;/* Saf3.2+, Chrome*/-moz-transition: background-color 0.2s, margin-top 0.2s;/* FF4+*/-ms-transition: background-color 0.2s, margin-top 0.2s;/* IE10*/-o-transition: background-color 0.2s, margin-top 0.2s;/* Opera 10.5+*/transition: background-color 0.2s, margin-top 0.2s;}
.sucaihuo a:hover span{background:#FFD204;margin-top:0;}
.sucaihuo span:before{content: "";position:absolute;top:3em;left:0;border-right:0.5em solid #9B8651;border-bottom:0.5em solid #fff;}
.sucaihuo span:after{content: "";position:absolute;top:3em;right:0;border-left:0.5em solid #9B8651;border-bottom:0.5em solid #fff;}