/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

/*滚动条滑块隐藏*/
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: rgba(0, 0, 0, 0);
}

/*按下滚动条，颜色加深*/
::-webkit-scrollbar-thumb:active {
    border-radius: 10px;
    background: rgba(0, 0, 0, .5);
}

/*鼠标浮到容器上，让该容器的滚动条滑块显示*/
:hover::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    background: rgba(0, 0, 0, .2);
    background-clip: content-box;
}

/*鼠标浮到容器上，让该容器的滚动条滑块显示*/
:hover::-webkit-scrollbar-thumb:hover {
    border-top-width: 0;
    border-bottom-width: 0;
}

/*滚动条轨道*/
::-webkit-scrollbar-track {
    border-radius: 10px;
    background: rgba(0, 0, 0, 0);
}

.overlay {
    overflow: overlay !important;
}

.overlay-x {
    overflow-x: overlay !important;
}

.overlay-y {
    overflow-y: overlay !important;
}