subtitle
text: String
Text to display as a subtitle of chart
align: String
Alignment of subtitle relative to chart area.
Possible Options
margin: Number
Vertical spacing around the subtitle text
offsetX: Number
Sets the left offset for subtitle text
offsetY: Number
Sets the top offset for subtitle text
floating: Boolean
The floating option will take out the subtitle text from the chart area and make it float on top of the chart.
style
fontSize: String
Font Size of the subtitle text
fontWeight: String | Number
Font Weight of the subtitle text
fontFamily: String
Font Family of the subtitle text
color: Color
Fore color of the subtitle text