authentik/custom.css.tmpl

/* my custom css */

:root {
        --pf-global--BackgroundColor--100: {{ env "BACKGROUND_BOX_COLOR" }} !important;
}

.pf-c-login__main {
        background-color: {{ env "BACKGROUND_BOX_COLOR" }};
}

.pf-c-content h1 {
        color: {{ env "BACKGROUND_FONT_COLOR" }};
}