Agent-Skills.md

Agent Skills: Tailwind

How to work effectively with Tailwind CSS, always use when styling frontend features

UncategorizedID: markhamsquareventures/essentials/tailwind

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skills/tailwind/SKILL.md

Skill Metadata

Name
tailwind
Description
How to work effectively with Tailwind CSS, always use when styling frontend features

Tailwind

Instructions

  • Use Tailwind CSS classes to style HTML, check and use existing tailwind conventions within the project before writing your own.
  • Offer to extract repeated patterns into components that match the project's conventions (i.e. Blade, JSX, Vue, etc..)
  • Think through class placement, order, priority, and defaults - remove redundant classes, add classes to parent or child carefully to limit repetition, group elements logically
  • Always use Tailwind CSS v4 - do not use the deprecated utilities.
  • corePlugins is not supported in Tailwind v4.

Dark Mode

  • If existing pages and components support dark mode, new pages and components must support dark mode in a similar way, typically using dark:.

Examples

  • In Tailwind v4, configuration is CSS-first using the @theme directive — no separate tailwind.config.js file is needed. <code-snippet name="Extending Theme in CSS" lang="css"> @theme { --color-brand: oklch(0.72 0.11 178); } </code-snippet>

  • In Tailwind v4, you import Tailwind using a regular CSS @import statement, not using the @tailwind directives used in v3:

<code-snippet name="Tailwind v4 Import Tailwind Diff" lang="diff"> - @tailwind base; - @tailwind components; - @tailwind utilities; + @import "tailwindcss"; </code-snippet>

Replaced Utilities

  • Tailwind v4 removed deprecated utilities. Do not use the deprecated option - use the replacement.
  • Opacity values are still numeric.

| Deprecated | Replacement | |------------+--------------| | bg-opacity-_ | bg-black/_ | | text-opacity-_ | text-black/_ | | border-opacity-_ | border-black/_ | | divide-opacity-_ | divide-black/_ | | ring-opacity-_ | ring-black/_ | | placeholder-opacity-_ | placeholder-black/_ | | flex-shrink-_ | shrink-_ | | flex-grow-_ | grow-_ | | overflow-ellipsis | text-ellipsis | | decoration-slice | box-decoration-slice | | decoration-clone | box-decoration-clone |

Spacing

  • When listing items, use gap utilities for spacing, don't use margins.
<code-snippet name="Valid Flex Gap Spacing Example" lang="html"> <div class="flex gap-8"> <div>Superior</div> <div>Michigan</div> <div>Erie</div> </div> </code-snippet>