.header{width:100%;height:60px;background:#e65043;position:fixed;top:0px;left:0px;z-index:1000;box-shadow:3px 3px 3px rgba(0, 0, 0, 0.3)}
.header .logo{display:block;height:50px;padding-top:10px;}
.header .logo img{display:block;height:40px;}
.header .search{position:absolute;top:0;right:35px;z-index:1000;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../images/icon-search.png) no-repeat center center;background-size:40%;}
.header .search:hover{background-color:#0067d2;}
.header .search span{display:none;}
.header .user-icon{position:absolute;top:0;right:70px;z-index:1000;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../images/icon-user.png) no-repeat center center;background-size:40%;}
.header .user-icon span{display:none;}
.header .user-icon:hover{background-color:#0067d2;}
.header .back{position:absolute;top:0;left:0;display:block;width:50px;height:50px;text-indent:-9999em;background:url(../images/icon-back.png) no-repeat center center;background-size:12px 20px;}