"Layers" Layout Mode - Showing Various Border Styles
Topic 1.

Inset and outset borders.

Inset normally, and outset when hovered.
Topic 2.

Ridge borders normally, double when hovered.
Topic 4.

Double line borders normally, dashed when hovered.
Topic 3.

Inset border normally, outset when hovered.
Topic 5.

Dashed borders normally, dashed with color change when hovered.
Topic 6.

Solid border normally, double when hovered.
Topic 8.

Solid border normally, double line when hovered.
Topic 7.

Solid border in same color as background,
double line with color change when hovered.