    /**
     * @class Ext.panel.Tool
     */

    /**
     * @var {number}
     * The size of Tools
     */
    $tool-size: 16px !default;

    /**
     * @var {boolean}
     * True to change the background-position of the Tool on hover. Allows for a separate
     * hover state icon in the sprite.
     */
    $tool-include-hover-icons: true !default;

    /**
     * @var {string}
     * The cursor to display when the mouse cursor is over a Tool
     */
    $tool-cursor: pointer !default;

    /**
     * @var {number}
     * The opacity of Tools
     */
    $tool-opacity: 1 !default;

    /**
     * @var {number}
     * The opacity of hovered Tools
     */
    $tool-opacity-over: 1 !default;

    /**
     * @var {number}
     * The opacity of pressed Tools
     */
    $tool-opacity-pressed: 1 !default;

    /**
     * @var {string}
     * The sprite to use as the background-image for Tools
     */
    $tool-background-image: 'tools/tool-sprites' !default;