.offcanvas{background-color:#fff;box-shadow:-5px 0 10px #0003;height:100%;padding:20px;position:fixed;right:0;top:0;transform:translateX(100%);transition:transform .3s ease-in-out;width:300px;z-index:1200}.offcanvas.open{transform:translateX(0)}.offcanvas button{float:right}