#file img,
table.filehistory img {
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAAHUlEQVQY02M8ygABVlCaiQEN0EeA8T+UcWxg3QEABnoC420ysE0AAAAASUVORK5CYII=') repeat !important;
}