Tailwind v4: 'trying to use tailwindcss directly as a PostCSS plugin'
Your Tailwind v4 build dies with 'It looks like you're trying to use tailwindcss directly as a PostCSS plugin': here's every real cause and the actual fix.
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React error: 'Too many re-renders. React limits the number of renders to prevent an infinite loop.' Here's exactly why it fires and how to fix it.
Flex Item Overflows Container? Fix min-width: auto
A flex child won't shrink and text-overflow: ellipsis silently does nothing? It's the automatic minimum size (min-width: auto) — here's the fix.
CSS z-index Not Working: Stacking Context Causes & Fixes
z-index not working even with a huge value? It's almost never a z-index bug — an ancestor is trapping your element in its own stacking context. Here's why, and the fix.
CSS position: sticky Not Working: Causes and Fixes
position: sticky refusing to stick? It's almost always one of four things: a missing offset, a clipping ancestor, a too-short parent, or a table element. Here's how to find which.
CSS z-index Not Working: Stacking Context Causes & Fixes
z-index not working even with a huge value? It's almost never a z-index bug — an ancestor is trapping your element in its own stacking context. Here's why, and the fix.
Tailwind v4: 'tailwindcss directly as a PostCSS plugin' error, fixed
[postcss] It looks like you're trying to use `tailwindcss` directly as a PostCSS plugin. Every cause of this Tailwind v4 error, plus the silent one that hits next.