修改浏览器默认的滚动条CSS样式
/*滚动条 start*/::-webkit-scrollbar {width: 8px;height: 8px;background-color: #f8f8f8;}/*定义滚动条轨道 内阴影+圆角*/::-webkit-scrollbar-track {-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);background: #fff ;}/*定义滑块 内阴影+圆角*/::-webkit-scrollbar-thumb {-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);background-color:#999;}::-webkit-scrollbar-thumb:hover {-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);background-color:#666;}/*滚动条 end*/效果如下：右边的滚动条
转自https://blog.csdn.net/ning0_o/article/details/52188953