.header.fixed{animation-duration:.4s;animation-fill-mode:both;animation-name:slideNavIn;left:0;position:fixed;top:0;width:100%}.header.fixed .header_bottom{background:#fff;position:relative;z-index:999999}.header.fixed{box-shadow:0 13px 27px -5px rgba(50,50,93,.25);z-index:999}@keyframes slideNavIn{0%{-webkit-transform:translate3d(0,-100%,0);transform:translate3d(0,-100%,0)}to{-webkit-transform:none;transform:none}}