滚动条样式
//滚动条的宽度
::-webkit-scrollbar {
width: 5px !important;
height: 278px !important;
background: #f7f8fb !important;
border-radius: 2px !important;
}
//滚动条的滑块
::-webkit-scrollbar-thumb {
width: 5px !important;
background: #edeff5 !important;
border-radius: 3px !important;
}