{
  "title":{
    "text":  "Many data lines",
    "style": "{font-size: 20px; color:#0000ff; font-family: Verdana; text-align: center;}"
  },

  "elements":[
    {
      "type":      "bar",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_sketch",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_glass",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_3d",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_filled",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_cylinder",
      "colour":    "#9933CC",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_cylinder_outline",
      "colour":    "#3030FF",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_round_glass",
      "colour":    "#CC0000",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_round",
      "colour":    "#CC0000",
      "values" :   [7,0,-7],
      "axis":      "right"
    },
    {
      "type":      "bar_dome",
      "colour":    "#CCCC00",
      "values" :   [7,0,-7],
      "axis":      "right"
    }
  ],

  "y_axis":{
    "tick-length": 3,
    "colour":      "#d000d0",
    "grid-visible":  false,
    "offset":      0,
    "min":         -10,
    "max":         10
  },

  "y_axis_right":{    
    "tick-length":   6,
    "colour":        "#d0d0d0",
    "of--fset":      0,
    "min":           -17,
    "max":           17,
    "grid-visible":  true,
    "grid-colour":   "#D0D0FF"
  }
}