修改浏览器默认的滚动条样式

/*滚动条 start*/::-webkit-scrollbar {width: 10px;height: 4px;background-color: #F5F5F5;}/*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 {border-radius: 3px;-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);background-color:rgba(7, 170, 247, 0.7);}::-webkit-scrollbar-thumb:hover {border-radius: 3px;-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);background-color:rgba(7, 170, 247, 1);}