    type: 'single',
      step: 0.1,
      postfix: " mm",
      prettify: false,
      hasGrid: true
    });
    $("#range_6").ionRangeSlider({
      min: -50,
      max: 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").ionRangeSli