The horizontal alignment of the subtitle. Can be one of "left", "center" and "right".
When the subtitle is floating, the plot area will not move to make space for it.
CSS styles for the title. Exact positioning of the title can be achieved by changing the margin property, or by adding position: "absolute"
and left and top properties.
The subtitle of the chart.
Whether to use HTML to render the text.
The vertical alignment of the title. Can be one of "top", "middle" and "bottom". When a value is given, the title behaves as floating.
Adjustment made to the subtitle width, normally to reserve space for the exporting burger menu.
The x position of the subtitle relative to the alignment within chart.spacingLeft and chart.spacingRight.
The y position of the subtitle relative to the alignment within chart.spacingTop and chart.spacingBottom. By default the subtitle is laid out below the title unless the title is floating.