/*滚动条start*/::-webkit-scrollbar{width:7px;height:4px;background-color:#F5F5F5;}/*定义滚动条轨道内阴影+圆角*/::-webkit-scrollbar-track{-webkit-box-shadow:inset006pxrgba(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:inset006pxrgba(0,0,0,.3);background-color:rgba(158,158,158,0.7);}::-webkit-scrollbar-thumb:hover{border-radius:3px;-webkit-box-shadow:inset006pxrgba(0,0,0,.3);background-color:rgba(158,158,158,1);}

下面是展示效果