@charset "UTF-8";
/* header */
.header{ position:relative;height:84px;background:#fff; width:100%; z-index:100; border-top:#45bb9e solid 3px;}
.header .logo{display:block; width:300px; float:left; margin-left:1%}
.header .search{width:49px; float:right;}
.header .user-icon{width:43px; float:right;}
.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;}

@media (min-width:641px){body{width:750px;margin:auto;}}