none	hidden	dotted	dashed
solid	double	groove	ridge
inset	outset

$\begin{array}{cccc}\text{none}& \text{hidden}& \text{dotted}& \text{dashed}\\ \text{solid}& \text{double}& \text{groove}& \text{ridge}\\ \text{inset}& \text{outset}\end{array}$