@import url(default.css);
body{background:url(/static/images/index-bg.png) center top no-repeat;}
.header{box-sizing:border-box;width:1507px;height:100px;margin:0 auto;position:relative;}
.header-mask{position:absolute;top:0;left:0;z-index:0;width:100%;height:100px;background:#666;opacity:0.4;}
.header-nav{position:absolute;top:0;left:0;z-index:1;width:100%;height:100px;display:flex;justify-content:space-around;align-items:center;}
.header a{color:#fff;font-size:18px;border-radius:6px;padding:3px 20px;}
.header a:active,.header a:hover{color:#fff;}
.header a.active{color:#20e152;border:2px solid #555;}