/*核心代码*/

.fr-combo-list::-webkit-scrollbar {/*滚动条整体样式*/

width: 4px; /*高宽分别对应横竖滚动条的尺寸*/

height: 4px;

}

.fr-combo-list::-webkit-scrollbar-thumb {/*滚动条里面小方块*/

border-radius: 5px;

-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);

background: rgba(0,0,0,0.2);

}

.fr-combo-list::-webkit-scrollbar-track {/*滚动条里面轨道*/

-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);

border-radius: 0;

background: rgba(0,0,0,0.1);

}