/*滚动条*/
body {
    overflow-y: scroll;
    overflow-x: visible;
}   

/*滚动条整体部分*/
::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}
 
::-webkit-scrollbar-track,

 /*滑块*/
::-webkit-scrollbar-thumb {
    border-radius: 999px;
    border: 5px solid transparent;
}

/*外层轨道*/
::-webkit-scrollbar-track {
    box-shadow: 0px 0px 0px rgba(0,0,0,.2) inset;
}

/*滑块*/
::-webkit-scrollbar-thumb {
    min-height: 20px;
    background-clip: content-box;
    box-shadow: 0 0 0 5px #f0f0f0 inset;
}

/*边角*/
::-webkit-scrollbar-corner {
    background: transparent;
}