Alignment of the title relative to the axis values. Possible values. are "low", "middle" or "high".
The pixel distance between the axis labels and the title. Positive values are outside the axis line, negative are inside.
The distance of the axis title from the axis line. By default, this distance is computed from the offset width of the labels, the labels' distance from the axis and the title's margin. However when the offset option is set, it overrides all this.
The rotation of the text in degrees. 0 is horizontal, 270 is vertical reading from bottom to top.
CSS styles for the title. When titles are rotated they are rendered using vector graphic techniques and not all styles are applicable.. .
In styled mode, the stroke width is given in the .highcharts-axis-title
class.
The actual text of the axis title. It can contain basic HTML text markup like <b>, <i> and spans with style.