aphics.IStroke&nbsp;<span class="label">CSS Inheritance: </span>no<br/>
     Sets the stroke for the x-axis minimum, x-axis maximum, y-axis
     minimum and y-axis maximum markers.  Note that this will be
     overridden by any values set for xMinStroke, xMaxStroke,
     yMinStroke and yMaxStroke.
     The default stroke used for a marker is none.
     </td><td class="summaryTableOwnerCol">Sparkline</td></tr><tr class=""><td class="summaryTablePaddingCol"><a name="style:normalRangeFill"></a>&nbsp;</td><td c