uniapp(H5) scroll-view不显示滚动条

 // 滚动条样式
/deep/ ::-webkit-scrollbar {
/*滚动条整体样式*/
width: 4px !important;
height: 3px !important;
overflow: auto !important;
background: #ccc !important;
-webkit-appearance: auto !important;
display: block;
}
		
/deep/ ::-webkit-scrollbar-thumb {
/*滚动条里面小方块*/
border-radius: 10px !important;
box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2) !important;
background: #7b7979 !important;
}
		
/deep/ ::-webkit-scrollbar-track {
/*滚动条里面轨道*/
// box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2) !important;
// border-radius: 10px !important;
background: #FFFFFF !important;
}