css modify page scroll bar style

Just upload the code directly and modify it according to your needs

/* 滚动条样式 content为包裹内容的容器类名 */
.contentbox {
    overflow-y: auto;
    height: 100%;
    width: 100%;
}
.contentbox::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 2px rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
}

.contentbox::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 6px;
    box-shadow: inset 0 0 4px rgba(144, 147, 153, 0.2);
    background: rgba(144, 147, 153, 0.2);
}

.contentbox::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 6px;
    height: 1px;
}