Dash style of every bar: 'solid', 'dot', 'dash', 'longdash', 'dashdot', 'longdashdot', or a dash list such as '5px,10px,2px'. increasing.line.dash and decreasing.line.dash override it per direction.
width?
number
2
Line width in CSS px of every bar. increasing.line.width and decreasing.line.width override it per direction. Minimum: 0
