1 //自定义滚动条 2 ::-webkit-scrollbar-corner { 3   background-color: transparent; 4 } 5  6 ::-webkit-scrollbar-button { 7   width: 0; 8   height: 0; 9   display: none;10 }11 12 ::-webkit-scrollbar-thumb {13   width: 2px;14   background-color: rgba(0,0,0,.2);15   border-radius: 2px;16 }17 18 ::-webkit-scrollbar {19   width: 2px;20   height: 2px;21 }22 23 ::-webkit-scrollbar-track {24   width: 5px;25 }26 27 ::-webkit-scrollbar:hover {28   background-color: transparent;29 }