scrollbar 滚动条的样式

overflow-x:hidden; /*隐藏底部的横向滚动条*/
scrollbar-arrow-color: #f4ae21; /*三角箭头的颜色*/
scrollbar-face-color:#333; /*立体滚动条的颜色*/
scrollbar-3dlight-color:#666; /*立体滚动条亮边的颜色*/
scrollbar-highlight-color:#666; /*滚动条空白部分的颜色*/
scrollbar-shadow-color:#999; /*立体滚动条阴影的颜色*/
scrollbar-darkshadow-color:#666; /*滚动条强阴影颜色*/
scrollbar-track-color:#666; /*立体滚动条背景颜色*/
scrollbar-base-color:#f8f8f8; /*滚动条的基本颜色*/