CSS Box Model: 5 Steps To Turn an Element into a Box, by Yang Zhou, TechToFreedom
CSS trick to add border to a element on hover without pushing the contents, by Priyadarshini
Basic CSS (10/44), Add Borders Around Your Elements
html - How to create a double bottom border in CSS - Stack Overflow
How to add Borders and Shadows to Elements in CSS ? - GeeksforGeeks
html - Custom graphical border on DIV with CSS - Stack Overflow
Pixel perfect image borders using CSS - Lehel Matyus
My Colleagues Were Amazed By Borders, by bitbug
The 3 CSS Methods for Adding Element Borders
How to Create and Style Borders Using CSS - Tutorial Republic
How to border without styling in CSS - Quora
How to Create a Body Border Around a Page's Content, Madrona Web
Various Methods for Expanding a Box While Preserving the Border Radius
bitbug – Medium
