jellyfin-web/dashboard-ui/bower_components/emby-webcomponents/scrollstyles.css

.smoothScrollX, .hiddenScrollX {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overflow-y: hidden;
    scroll-behavior: smooth;
    white-space: nowrap;
}

.hiddenScrollX, .layout-tv .smoothScrollX {
    -ms-overflow-style: none;
    overflow: -moz-scrollbars-none;
}

    .hiddenScrollX::-webkit-scrollbar, .layout-tv .smoothScrollX::-webkit-scrollbar {
        height: 0 !important;
        display: none;
    }


.smoothScrollY, .hiddenScrollY {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.hiddenScrollY, .layout-tv .smoothScrollY {
    -ms-overflow-style: none;
    overflow: -moz-scrollbars-none;
}

    .hiddenScrollY::-webkit-scrollbar, .layout-tv .smoothScrollY::-webkit-scrollbar {
        width: 0 !important;
        display: none;
    }

.darkScroller::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.darkScroller::-webkit-scrollbar-button:start:decrement,
.darkScroller::-webkit-scrollbar-button:end:increment {
    display: none;
}

.darkScroller::-webkit-scrollbar-track-piece {
    background-color: #3b3b3b;
}

.darkScroller::-webkit-scrollbar-thumb:vertical, .darkScroller::-webkit-scrollbar-thumb:horizontal {
    -webkit-border-radius: 2px;
    background: #888 no-repeat center;
}