Ben Nadel demonstrates a wonky behavior in Desktop Safari in which the first CSS Flexbox item has extra padding if - and only if - it is rendered inside of a List Item. This works properly in Chrome, Firefox, and even IE 11 (well, almost).
html - Nested CSS flexbox problem - only with Safari 14 / MacOS browser - Stack Overflow
The Difference Between Margin Vs Padding In CSS
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How to set space between the flexbox ? - GeeksforGeeks
CSS Flexbox: Three Columns, Web Design & Development Tutorials
justify-content CSS-Tricks - CSS-Tricks
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Tailwind CSS spacing explained - Beyond Code
How to make Flexbox items the same size using CSS ? - GeeksforGeeks