@keyframes open-sidebar{0%{width:0px;opacity:0}to{width:var(--side-bar-width);opacity:1}}:where([data-sidebar]){display:none;position:fixed;bottom:0;top:50px;transition:width .3s;z-index:1;padding:32px;--side-bar-width: 250px}:where([data-sidebar][data-left-sidebar-open=true]){display:block;animation:open-sidebar .3s forwards}