✔️ border CSS Style Property

border: border-width border-style border-color | initial | inherit;

• none, hidden, dotted, dashed, solid, double, groove, ridge, inset, outset, revert, revert-layer, unset, inherit, initial
• black, silver, gray, white, maroon, red, purple, fuchsia, green, lime, olive, yellow, navy, blue, teal, aqua, transparent
• thin, medium, thick

Units: px