fuse-angular/src/@fuse/scss/partials/_cards.scss

// -----------------------------------------------------------------------------------------------------
// @ Theming
// -----------------------------------------------------------------------------------------------------
@mixin cards-theme($theme) {

    $background: map-get($theme, background);
    $foreground: map-get($theme, foreground);

    .fuse-card {
        background: map-get($background, card);
        border-color: map-get($foreground, divider);

        .card-divider {
            border-top: 1px solid map-get($foreground, divider);
        }
    }
}

// -----------------------------------------------------------------------------------------------------
// @ Cards
// -----------------------------------------------------------------------------------------------------
.fuse-card {
    max-width: 320px;
    min-width: 320px;
    border-radius: 8px;
    border: 1px solid;

    &.variable-width {
        min-width: 0;
    }

    &.auto-width {
        min-width: 0;
        max-width: none;
    }

    // Buttons
    .mat-button {
        min-width: 0 !important;
        padding: 0 8px !important;
    }

    // Button Toggle Group
    .mat-button-toggle-group,
    .mat-button-toggle-standalone {
        box-shadow: none !important;
    }

    // Tabs
    .mat-tab-labels {
        justify-content: center;
    }

    .mat-tab-label {
        min-width: 0 !important;
    }

    // Divider
    .card-divider {
        margin: 16px;

        &.full-width {
            margin: 0;
        }
    }

    // Expand Area
    .card-expand-area {
        overflow: hidden;

        .card-expanded-content {
            padding: 8px 16px 16px 16px;
            line-height: 1.75;
        }
    }
}