Type of line for the border in layout label strip background
string
solid
rect,
solid,
spline,
dotted,
dashed,
dotdash,
longdash,
twodash
Area,
AreaLine,
Bar,
BarLine,
Boxplot,
Circular,
Correlation,
DotLine,
Dotplot,
Fish,
Gantt,
Genome,
Heatmap,
Line,
Map,
Network,
ParallelCoordinates,
Pie,
Sankey,
Scatter2D,
Scatter3D,
ScatterBubble2D,
Stacked,
StackedLine,
StackedPercent,
StackedPercentLine,
TagCloud,
Tree,
Treemap,
Venn