/* remove background-image from all pages, but login page */
#body-login::before {
    top: 0; left: 0; right: 0; bottom: 0;
    content: "";
    position: absolute;
    background: rgba(17, 29, 43, 0.3); /* 50% Transparenz */
    pointer-events: none; /* Verhindert Interaktion */
    mix-blend-mode: overlay;
}