zitadel/console/src/app/pages/users/user-detail/auth-user-detail/theme-setting/theme-card.scss

@import '~@angular/material/theming';

@mixin theme-card($theme) {
    $primary: map-get($theme, primary);
    $primary-dark: mat-color($primary, A800);

    .theme-conent, .crescent {
        background-color: $primary-dark;
        transition: background-color .4s cubic-bezier(0.645, 0.045, 0.355, 1);
    }
}