Sets the styling for the active area of the preview chart. Use the active object in the preview object. Refer to the Zooming, Scrollbar, and Preview Chart Tutorial for more information.

Note: Make sure the zooming attribute is set to true in the scale-x and/or scale-y object(s). You can also specify the starting and ending values that the chart will zoom to by default with the zoom-to or zoom-to-values array.

Attribute	Type	Description
alpha	Number	Sets the opacity on the marker, with 0 being fully transparent and 1 being fully opaque. Note that decimal value requires the leading 0. Default Value: 1
backgroundColor background-color	String	Sets the background color of the object. Colors can be entered by name (e.g., "purple", "blue"), hexadecimal notation (e.g., "#666699", #33ccff"), or RGB notation (e.g., "rgb(255,0,0)", "rgb(0,0,255)"). May need to set `alpha` for background color to show. Default Value: null
backgroundColor1 background-color-1	String	Sets the first color of a 2 color background gradient of the object. To be used with background-color-2. Default Value: null
backgroundColor2 background-color-2	String	Sets the second color of a 2 color background gradient of the object. To be used with background-color-1. Default Value: null
class	String	Sets a class value on the object. Default Value: null
dataN data-n	Any	Prefix attribute or array using "data-" to define a custom token.
fillAngle fill-angle	Number	Sets the angle of the axis along which the linear gradient is drawn. Default Value: 90
fillOffsetX fill-offset-x	Number	Sets an X offset to apply to the fill. Default Value: 0
fillOffsetY fill-offset-y	Number	Sets a Y offset to apply to the fill. Default Value: 0
fillType fill-type	String	Sets the background gradient fill type to either linear or radial. Accepted Values: ['linear', 'none', 'radial'] Default Value: 'linear'
gradientColors gradient-colors	String	Sets a set of colors for a complex background gradient consisting of 2 or more colors. To be used with gradient-stops. Default Value: ''
gradientStops gradient-stops	String	Sets the gradient stops for a complex background gradient consisting of 2 or more colors. To be used with gradient-colors. Default Value: ''
id	String	Sets the id of the object. Default Value: ''
mediaRules media-rules	Array.<Object>	Configure media rules.