    // TODO: Change value to $include-default-uis !default;
    $include-panel-uis: true;

    // ===============================
    // ========= BASE PANEL ==========
    // ===============================
    $panel-border-radius: null !default;
    $panel-border-width: 1px !default;
    $panel-base-color: adjust-color($base-color, $hue: 0deg, $saturation: 0.542%, $lightness: 7.843%) !default; //#DFE8F6
    $panel-border-color: adjust-color($base-color, $hue: 0deg, $saturation: 7.644%, $lightness: -8.627%) !default;

    // ===============================
    // ========= PANEL BODY ==========
    // ===============================
    $panel-body-border-style: solid !default;
    $panel-body-background-color: #fff !default;
    $panel-body-color: #000 !default;
    $panel-body-border-color: $panel-border-color !default;
    $panel-body-font-size: 12px !default;

    // ===============================
    // ======== PANEL TOOLS ==========
    // ===============================
    $tool-size: 15px !default;
    $panel-tool-padding: 0 0 1px 1px !default;
    $panel-tool-margin: 0 0 0 1px !default;
    // margin for tool displayed at top of vertical header
    $panel-tool-top-margin: 0 0 4px;

    // ===============================
    // ======== PANEL HEADER =========
    // ===============================
    $panel-header-border-width: 1px !default;
    $panel-header-border-style: solid !default;
    $panel-header-inner-border: true !default;
    $panel-header-inner-border-width: 1px 0 0 !default;

    //padding
    $panel-header-padding: 4px 5px !default;

    //fonts
    $panel-header-font-size: ceil($font-size * .9) !default; //11px
    $panel-header-line-height: 15px !default;
    $panel-header-font-weight: bold !default;
    $panel-header-font-family: $font-family !default;
    $panel-header-text-padding: 0 0 1px;

    //icon
    $panel-header-icon-width: 16px !default;
    $panel-header-icon-height: 16px !default;
    $panel-header-icon-margin: 0 4px 0 0 !default;

    //background
    $panel-header-background-gradient: 'panel-header' !default;

    // UI defaults
    $panel-header-border-color: $panel-border-color !default;
    $panel-header-inner-border-color: adjust-color($panel-base-color, $hue: 0deg, $saturation: -6.098%, $lightness: 4.902%) !default;
    $panel-header-color: adjust-color($panel-base-color, $hue: 0deg, $saturation: 38.347%, $lightness: -63.725%) !default;
    $panel-header-background-color: adjust-color($panel-base-color, $hue: 0deg, $saturation: 6.402%, $lightness: -4.51%) !default;

    // ===============================
    // ======== FRAMED PANEL =========
    // ===============================
    $frame-base-color: $panel-base-color !default;

    //border
    $panel-frame-border-radius: 4px !default;
    $panel-frame-border-width: 1px !default;
    $panel-frame-border-style: solid !default;
    $panel-frame-padding: 4px !default;

    // UI defaults
    $panel-frame-background-color: $frame-base-color !default;
    $panel-frame-border-color: $panel-border-color !default;