html {
    background: #333 url('/wp/wallhaven-mdjrqy.jpg') center / cover no-repeat fixed;
}
#files th {
    background: rgba(32, 32, 32, 0.9) !important;
}
#ops,
#treeul,
#files td {
    background: rgba(32, 32, 32, 0.3) !important;
}


html.light {
    background: #eee url('/wp/wallhaven-dpxl6l.png') center / cover no-repeat fixed;
}
html.light #files th {
    background: rgba(255, 255, 255, 0.9) !important;
}
html.light .logue,
html.light #ops,
html.light #treeul,
html.light #files td {
    background: rgba(248, 248, 248, 0.8) !important;
}


#files * {
    background: transparent !important;
}