.dropDownBox {
padding: 5px 10px;
background: #ffffff;
box-shadow: 0 0 2px #dddddd;
transition: 0.3s;
max-height:200px;
overflow: auto;
}
.dropDownBox::-webkit-scrollbar {/*滚动条整体样式*/
width: 5px; /*高宽分别对应横竖滚动条的尺寸*/
height: 1px;
}
.dropDownBox::-webkit-scrollbar-thumb {/*滚动条里面小方块*/
border-radius: 10px;
-webkit-box-shadow: inset 0 0 5px #ddd;
-moz-box-shadow: inset 0 0 5px #ddd;
box-shadow: inset 0 0 5px #ddd;
background: #999999;
}
.dropDownBox::-webkit-scrollbar-track {/*滚动条里面轨道*/
-webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
-moz-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
border-radius: 10px;
}
