HTML Email Spacing Techniques that (Usually) Work - Email On Acid
How To Adjust the Content, Padding, Border, and Margins of an HTML Element With CSS | DigitalOcean
Huge Gap Between Divs! - HTML-CSS - The freeCodeCamp Forum
CSS border-bottom Property - GeeksforGeeks
More Control Over CSS Borders With background-image | CSS-Tricks - CSS-Tricks
How to Create Extra Space in HTML or a Web Page
row-gap | CSS-Tricks - CSS-Tricks
How to increase the space between dotted border dots using CSS? - GeeksforGeeks
border-inline | CSS-Tricks - CSS-Tricks
CSS border-spacing property
How to Set the Gap Between Text and Underlining using CSS ? - GeeksforGeeks
1px gap between border? : r/css
gap | CSS-Tricks - CSS-Tricks
border-image-slice - CSS: Cascading Style Sheets | MDN
html - css square border with gap in border bottom - Stack Overflow
How to create a double border in CSS - LogRocket Blog
html - Little gap between container's border and background of a child element (CHROME) - Stack Overflow
CSS border-bottom Property
padding-bottom - CSS: Cascading Style Sheets | MDN
CSS border-bottom-color Property
Spacing
CSS Partial Borders | UnusedCSS
