.header_top{padding-top:165px}.menu_top{/*height: 110px;*/position:fixed;top:0;transition:all .2s linear;width:100%;z-index:999;padding-bottom:0px}.nav-upi{transition:none}.nav-up{top:-256px}.nav-down{background-color:rgba(0,0,0,1)}.menu_top>.container{transition:all .2s linear}