javascript - Add bottom border to columns by row, but not the last + responsive - Stack Overflow
html - css square border with gap in border bottom - Stack Overflow
CSS Margin vs Padding vs Gap - The Ultimate Guide
CSS { In Real Life } | Logical Border Radius
How to Add Internal Borders in CSS Grid Layout | Geary.co
CSS border-spacing property
row-gap | CSS-Tricks - CSS-Tricks
Bounds
How to increase the gap between text and underlining in CSS - DEV Community
How to add border-bottom to table row <tr> in CSS ? - GeeksforGeeks
CSS border-bottom-style Property
column-gap | CSS-Tricks - CSS-Tricks
CSS - Create gap between borders? - Stack Overflow
Spacing in CSS
html - How to avoid border gap in outside corner between divs - Stack Overflow
gap | CSS-Tricks - CSS-Tricks
How to Create Extra Space in HTML or a Web Page
padding-bottom - CSS: Cascading Style Sheets | MDN
html - Gap between border and image when border radius is added - Stack Overflow
CSS border-bottom Property
How to Use the CSS gap Property — SitePoint
Everything You Need to Know About the Gap After the List Marker | CSS-Tricks - CSS-Tricks
CSS border bottom colour problem - HTML-CSS - The freeCodeCamp Forum
CSS gap property vs. margin property - LogRocket Blog
