zhongwei/gh-jeremylongshore-claude-code-plugins-plus-plugins-packages-fullstack-starter-pack

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description	shortcut	category	difficulty	estimated_time
Generate utility CSS classes for spacing, colors, typography, and layout	cug	frontend	beginner	2-5 minutes

CSS Utility Generator

Generates utility CSS classes similar to Tailwind CSS for common styling needs, creating a custom utility-first CSS framework.

What This Command Does

Utility Class Generation:

Spacing utilities (margin, padding)
Color utilities (background, text, border)
Typography utilities (font size, weight, line height)
Layout utilities (flexbox, grid, display)
Responsive breakpoints
Custom design tokens

Output: Complete utility CSS file with organized sections

Time: 2-5 minutes

Usage

# Generate full utility class system
/css-utility-generator

# Shortcut
/cug

# Generate specific categories
/cug --categories spacing,colors,typography

# Custom design tokens
/cug --config design-tokens.json

# With custom breakpoints
/cug --breakpoints mobile:640px,tablet:768px,desktop:1024px

Example Output

Input:

/cug --categories spacing,colors,flex

Generated utilities.css:

/* ==========================================================================
   Utility CSS Classes
   Generated by CSS Utility Generator
   ========================================================================== */

/* Spacing Utilities
   ========================================================================== */

/* Margin */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }   /* 4px */
.m-2 { margin: 0.5rem; }    /* 8px */
.m-3 { margin: 0.75rem; }   /* 12px */
.m-4 { margin: 1rem; }      /* 16px */
.m-5 { margin: 1.25rem; }   /* 20px */
.m-6 { margin: 1.5rem; }    /* 24px */
.m-8 { margin: 2rem; }      /* 32px */
.m-10 { margin: 2.5rem; }   /* 40px */
.m-12 { margin: 3rem; }     /* 48px */
.m-16 { margin: 4rem; }     /* 64px */
.m-auto { margin: auto; }

/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }

/* Margin Right */
.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }
.mr-6 { margin-right: 1.5rem; }
.mr-8 { margin-right: 2rem; }
.mr-auto { margin-right: auto; }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

/* Margin Left */
.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }
.ml-6 { margin-left: 1.5rem; }
.ml-8 { margin-left: 2rem; }
.ml-auto { margin-left: auto; }

/* Margin X-axis (horizontal) */
.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: 0.25rem; margin-right: 0.25rem; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Margin Y-axis (vertical) */
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: 0.25rem; margin-bottom: 0.25rem; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }

/* Padding Top */
.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }

/* Padding Right */
.pr-0 { padding-right: 0; }
.pr-2 { padding-right: 0.5rem; }
.pr-4 { padding-right: 1rem; }
.pr-6 { padding-right: 1.5rem; }
.pr-8 { padding-right: 2rem; }

/* Padding Bottom */
.pb-0 { padding-bottom: 0; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-8 { padding-bottom: 2rem; }

/* Padding Left */
.pl-0 { padding-left: 0; }
.pl-2 { padding-left: 0.5rem; }
.pl-4 { padding-left: 1rem; }
.pl-6 { padding-left: 1.5rem; }
.pl-8 { padding-left: 2rem; }

/* Padding X-axis */
.px-0 { padding-left: 0; padding-right: 0; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

/* Padding Y-axis */
.py-0 { padding-top: 0; padding-bottom: 0; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Color Utilities
   ========================================================================== */

/* Background Colors */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-gray-400 { background-color: #9ca3af; }
.bg-gray-500 { background-color: #6b7280; }
.bg-gray-600 { background-color: #4b5563; }
.bg-gray-700 { background-color: #374151; }
.bg-gray-800 { background-color: #1f2937; }
.bg-gray-900 { background-color: #111827; }
.bg-black { background-color: #000000; }

.bg-primary { background-color: #3b82f6; }
.bg-secondary { background-color: #6b7280; }
.bg-success { background-color: #10b981; }
.bg-danger { background-color: #ef4444; }
.bg-warning { background-color: #f59e0b; }
.bg-info { background-color: #3b82f6; }

.bg-transparent { background-color: transparent; }

/* Text Colors */
.text-white { color: #ffffff; }
.text-gray-50 { color: #f9fafb; }
.text-gray-100 { color: #f3f4f6; }
.text-gray-200 { color: #e5e7eb; }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-gray-900 { color: #111827; }
.text-black { color: #000000; }

.text-primary { color: #3b82f6; }
.text-secondary { color: #6b7280; }
.text-success { color: #10b981; }
.text-danger { color: #ef4444; }
.text-warning { color: #f59e0b; }
.text-info { color: #3b82f6; }

/* Flexbox Utilities
   ========================================================================== */

/* Display */
.flex { display: flex; }
.inline-flex { display: inline-flex; }

/* Flex Direction */
.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

/* Flex Wrap */
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }

/* Justify Content */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align Items */
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Align Self */
.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }

/* Gap */
.gap-0 { gap: 0; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Flex Grow/Shrink */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.flex-grow { flex-grow: 1; }
.flex-grow-0 { flex-grow: 0; }

.flex-shrink { flex-shrink: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Responsive Breakpoints
   ========================================================================== */

@media (min-width: 640px) {
  /* sm: spacing */
  .sm\:m-0 { margin: 0; }
  .sm\:m-4 { margin: 1rem; }
  .sm\:p-4 { padding: 1rem; }

  /* sm: flexbox */
  .sm\:flex { display: flex; }
  .sm\:flex-row { flex-direction: row; }
  .sm\:justify-center { justify-content: center; }
}

@media (min-width: 768px) {
  /* md: spacing */
  .md\:m-0 { margin: 0; }
  .md\:m-6 { margin: 1.5rem; }
  .md\:p-6 { padding: 1.5rem; }

  /* md: flexbox */
  .md\:flex { display: flex; }
  .md\:flex-row { flex-direction: row; }
  .md\:justify-between { justify-content: space-between; }
}

@media (min-width: 1024px) {
  /* lg: spacing */
  .lg\:m-0 { margin: 0; }
  .lg\:m-8 { margin: 2rem; }
  .lg\:p-8 { padding: 2rem; }

  /* lg: flexbox */
  .lg\:flex { display: flex; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:gap-8 { gap: 2rem; }
}

Complete Utility Categories

1. Spacing (Margin & Padding)

/* Scale: 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24 */
/* Directions: all, t, r, b, l, x, y */
.m-4    /* margin: 1rem */
.mt-2   /* margin-top: 0.5rem */
.px-4   /* padding-left/right: 1rem */
.my-8   /* margin-top/bottom: 2rem */

2. Typography

/* Font Size */
.text-xs    { font-size: 0.75rem; }
.text-sm    { font-size: 0.875rem; }
.text-base  { font-size: 1rem; }
.text-lg    { font-size: 1.125rem; }
.text-xl    { font-size: 1.25rem; }
.text-2xl   { font-size: 1.5rem; }
.text-3xl   { font-size: 1.875rem; }
.text-4xl   { font-size: 2.25rem; }

/* Font Weight */
.font-thin       { font-weight: 100; }
.font-light      { font-weight: 300; }
.font-normal     { font-weight: 400; }
.font-medium     { font-weight: 500; }
.font-semibold   { font-weight: 600; }
.font-bold       { font-weight: 700; }
.font-extrabold  { font-weight: 800; }

/* Text Align */
.text-left    { text-align: left; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-justify { text-align: justify; }

/* Line Height */
.leading-none    { line-height: 1; }
.leading-tight   { line-height: 1.25; }
.leading-normal  { line-height: 1.5; }
.leading-relaxed { line-height: 1.75; }
.leading-loose   { line-height: 2; }

3. Layout

/* Display */
.block        { display: block; }
.inline       { display: inline; }
.inline-block { display: inline-block; }
.flex         { display: flex; }
.inline-flex  { display: inline-flex; }
.grid         { display: grid; }
.hidden       { display: none; }

/* Position */
.static    { position: static; }
.relative  { position: relative; }
.absolute  { position: absolute; }
.fixed     { position: fixed; }
.sticky    { position: sticky; }

/* Width */
.w-auto    { width: auto; }
.w-full    { width: 100%; }
.w-screen  { width: 100vw; }
.w-1\/2    { width: 50%; }
.w-1\/3    { width: 33.333333%; }
.w-1\/4    { width: 25%; }

/* Height */
.h-auto    { height: auto; }
.h-full    { height: 100%; }
.h-screen  { height: 100vh; }

4. Grid System

/* Grid Template Columns */
.grid-cols-1  { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3  { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4  { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6  { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Grid Gap */
.gap-0  { gap: 0; }
.gap-2  { gap: 0.5rem; }
.gap-4  { gap: 1rem; }
.gap-6  { gap: 1.5rem; }
.gap-8  { gap: 2rem; }

5. Borders & Radius

/* Border Width */
.border-0 { border-width: 0; }
.border   { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm   { border-radius: 0.125rem; }
.rounded      { border-radius: 0.25rem; }
.rounded-md   { border-radius: 0.375rem; }
.rounded-lg   { border-radius: 0.5rem; }
.rounded-xl   { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

/* Border Color */
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-primary  { border-color: #3b82f6; }

6. Effects

/* Shadow */
.shadow-none { box-shadow: none; }
.shadow-sm   { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow      { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-md   { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg   { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }
.shadow-xl   { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }

/* Opacity */
.opacity-0   { opacity: 0; }
.opacity-25  { opacity: 0.25; }
.opacity-50  { opacity: 0.5; }
.opacity-75  { opacity: 0.75; }
.opacity-100 { opacity: 1; }

Usage Examples

Example 1: Card Component

<div class="bg-white rounded-lg shadow-md p-6 mb-4">
  <h2 class="text-2xl font-bold mb-2 text-gray-900">Card Title</h2>
  <p class="text-gray-600 mb-4">Card description goes here.</p>
  <button class="bg-primary text-white px-4 py-2 rounded">
    Action
  </button>
</div>

Example 2: Flexbox Layout

<div class="flex justify-between items-center p-4 bg-gray-50">
  <div class="flex items-center gap-2">
    <img src="logo.png" class="w-8 h-8" />
    <span class="font-semibold">Brand</span>
  </div>
  <nav class="flex gap-4">
    <a href="#" class="text-gray-700">Home</a>
    <a href="#" class="text-gray-700">About</a>
    <a href="#" class="text-gray-700">Contact</a>
  </nav>
</div>

Example 3: Responsive Grid

<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 p-8">
  <div class="bg-white p-4 rounded shadow">Item 1</div>
  <div class="bg-white p-4 rounded shadow">Item 2</div>
  <div class="bg-white p-4 rounded shadow">Item 3</div>
</div>

Customization Options

Design Tokens Configuration

design-tokens.json:

{
  "colors": {
    "primary": "#3b82f6",
    "secondary": "#6b7280",
    "success": "#10b981",
    "danger": "#ef4444",
    "warning": "#f59e0b"
  },
  "spacing": {
    "scale": [0, 4, 8, 12, 16, 20, 24, 32, 40, 48, 64]
  },
  "typography": {
    "fontSizes": {
      "xs": "0.75rem",
      "sm": "0.875rem",
      "base": "1rem",
      "lg": "1.125rem",
      "xl": "1.25rem",
      "2xl": "1.5rem"
    },
    "fontWeights": {
      "normal": 400,
      "medium": 500,
      "semibold": 600,
      "bold": 700
    }
  },
  "breakpoints": {
    "sm": "640px",
    "md": "768px",
    "lg": "1024px",
    "xl": "1280px"
  }
}

Benefits

1. No Build Step Required

Pure CSS, works immediately
No JavaScript runtime
No npm dependencies

2. Familiar Syntax

Tailwind-like class names
Easy to learn for Tailwind users
Predictable naming conventions

3. Customizable

Define your own design tokens
Choose which categories to include
Adjust spacing scales and breakpoints

4. Lightweight

Generate only what you need
~10-50KB depending on categories
Much smaller than full Tailwind

5. Framework Agnostic

Works with React, Vue, vanilla HTML
No framework lock-in
Pure CSS solution

Integration

Add to HTML

<link rel="stylesheet" href="utilities.css">

Import in CSS

@import url('utilities.css');

Import in JavaScript

import './utilities.css'

/component-generator - Generate React components using these utilities
React Specialist (agent) - Component architecture guidance
UI/UX Expert (agent) - Design system review

Build your design system. Style faster. Ship consistent UIs.

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