 50,
            from: 0,
            type: 'single',
            step: 1,
            postfix: "Â°",
            prettify: false,
            hasGrid: true
        });

        $("#range_4").ionRangeSlider({
            type: "single",
            step: 100,
            postfix: " light years",
            from: 55000,
            hideMinMax: true,
            hideFromTo: false
        });
        $("#range_3").ionRangeSlider({
            type: "double",
            postfix: " miles",
            step: 