.open-nav-btn{position:fixed;z-index:9999;background-color:rgb(230,0,0);color:white;top:50%;transform:rotate(-90deg);padding:10px 14px;right:-70px;border-top-right-radius:7px;border-top-left-radius:7px;font-weight:700;height:38px;width:178px;text-align:center}