{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "layer": [
    {
      "data": {
        "name": "df",
        "values": [{"a": 1, "b": 1}, {"a": 2, "b": 3}, {"a": 3, "b": 2}]
      },
      "layer": [
        {
          "transform": [],
          "layer": [{"mark": {"type": "line"}}],
          "encoding": {
            "x": {"field": "a", "type": "quantitative"},
            "y": {"field": "b", "type": "quantitative"}
          }
        }
      ]
    }
  ],
  "config": {
    "style": {
      "guide-label": {"font": "\"Liberation Sans\", sans-serif"},
      "guide-title": {"font": "\"Liberation Sans\", sans-serif"}
    }
  }
}