This page demonstrates using Borders with Tailwind CSS

Header, with different sizes and colors on each border edge

Dividers instead of borders, vertical

Object 1

Object 2

Object 3

Object 4

Object 5

Dividers (in red) instead of borders, horizontal

Object 1

Object 2

Object 3

Object 4

Object 5

Border color and styles

Outline color and styles

Ring color and styles