zitadel/console/src/styles/card.scss

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

@mixin card-theme($theme) {
    $accent: map-get($theme, accent);
    $background: map-get($theme, background);
    $background-color: mat-color($background, card);
    $primary: map-get($theme, primary);
    $primary-color: mat-color($primary, 500);
    $primary-dark: mat-color($primary, A800);
    $border-color: mat-color($primary, A700);
    $border-selected-color: mat-color($primary, A600);

    .card {
        background-color: $primary-dark;
        border: 1px solid $border-color;
        box-sizing: border-box;
        border-radius: .5rem;
        outline: none;

        .selection-icon {
            opacity: 0;
            position: absolute;
            top: -12px;
            left: -12px;
            color: $border-color;
        }

        &.selected {
            background-color: #ffffff25;
            border: 1px solid $border-selected-color;
            .text-part {
                .icons {
                    opacity: 1;
                }
            }

            .selection-icon {
                color: $border-selected-color;
                opacity: 1;
            }
        }

        .iamuser {
            color: $primary-color;
        }
    }
}