nextcloud-breeze-dark/core/css/apps/thirdparty/_dashboard.scss

/* Dashboard ---------------------------------------------------------------- */

.app-dashboard #app-content {
    
    .dashboard-newwidget {
        border-color: $decoration-normal;
        color: $foreground-normal;
    }

    .grid-stack-item-content {
        filter: none;
        border: 1px solid $decoration-normal;
    }

    .diskspace-text {
        color: $foreground-normal;
    }

    .diskspace-progress-limit {
        background-color: $background-active-hover;
    }

    #diskspace-progress-used {
        background-color: $background-active-alternate;
    }
}