.sidenav {height: 100%;width: 0;position: fixed;z-index: 1;top: 0;left: 0;background-color: #111;overflow-x: hidden;padding-top: 60px;transition: 0.5s;}.sidenav a {padding: 8px 8px 8px 32px;text-decoration: none;font-size: 25px;color: #818181;display: block;transition: 0.3s}.sidenav a:hover, .offcanvas a:focus{color: #f1f1f1;}.sidenav .closebtn {position: absolute;top: 0;right: 25px;font-size: 36px;margin-left: 50px;}#main {transition: margin-left .5s;padding: 20px;}@media screen and (max-height: 450px) {.sidenav {padding-top: 15px;}.sidenav a {font-size: 18px;}}