.custom-file-control::after{content:'浏览...';position:absolute;top:0;right:0;bottom:0;display:block;color:#666;border:0 solid #d6d9d9;border-left-width:1px;border-top-right-radius:1px;border-bottom-right-radius:1px;background-color:#e8e8e8;padding:4px 12px;line-height:1.8}