滚动条样式修改

&::-webkit-scrollbar {/滚动条整体样式/
width: 8px; /高宽分别对应横竖滚动条的尺寸/
height: 8px;
}
&::-webkit-scrollbar-thumb {/滚动条里面小方块/
border-radius: 8px;
// -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
background: rgba(144,147,153,.3);
}
&::-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: 8px;
background: #fff;
}