CSSCSS · Lesson 8 of 9

Mini Project: Card Component

Build a polished, responsive card component — the bread and butter of modern web UI.

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Card Component</title>
  <link rel="stylesheet" href="card.css">
</head>
<body>
  <main class="page">
    <h1>Course Cards</h1>
    <div class="card-grid">

      <article class="card">
        <div class="card-image">
          <span class="card-badge">Beginner</span>
          <div class="card-icon" style="--color: #FFD43B">Py</div>
        </div>
        <div class="card-body">
          <h2 class="card-title">Python</h2>
          <p class="card-desc">Life is short, use Python. Batteries included, opinions optional.</p>
          <div class="card-meta">
            <span>8 lessons</span>
            <span>·</span>
            <span>3 hrs</span>
          </div>
        </div>
        <div class="card-footer">
          <div class="progress-bar">
            <div class="progress-fill" style="--width: 62%"></div>
          </div>
          <span class="progress-label">5/8 complete</span>
          <a href="#" class="card-cta">Continue →</a>
        </div>
      </article>

      <article class="card">
        <div class="card-image">
          <span class="card-badge card-badge--hard">Advanced</span>
          <div class="card-icon" style="--color: #CE4A00">Rs</div>
        </div>
        <div class="card-body">
          <h2 class="card-title">Rust</h2>
          <p class="card-desc">Memory safe, blazingly fast. The borrow checker is your friend.</p>
          <div class="card-meta">
            <span>8 lessons</span>
            <span>·</span>
            <span>6 hrs</span>
          </div>
        </div>
        <div class="card-footer">
          <div class="progress-bar">
            <div class="progress-fill" style="--width: 0%"></div>
          </div>
          <span class="progress-label">0/8 complete</span>
          <a href="#" class="card-cta">Start →</a>
        </div>
      </article>

    </div>
  </main>
</body>
</html>

CSS

/* card.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, sans-serif;
  background: #f0f2f8;
  color: #111;
  min-height: 100vh;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page h1 {
  margin-bottom: 32px;
  font-size: 2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.card-image {
  background: #1a1a24;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.card-icon {
  font-family: monospace;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color);
  letter-spacing: -2px;
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 999px;
}

.card-badge--hard { background: rgba(206,74,0,0.5); }

.card-body {
  padding: 20px;
  flex: 1;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.card-desc {
  color: #555;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

.card-meta {
  display: flex;
  gap: 8px;
  color: #888;
  font-size: 0.8rem;
}

.card-footer {
  padding: 16px 20px;
  border-top: 1px solid #f0f0f0;
}

.progress-bar {
  height: 4px;
  background: #eee;
  border-radius: 2px;
  margin-bottom: 8px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: var(--width);
  background: linear-gradient(90deg, #00cc6a, #00d4ff);
  border-radius: 2px;
}

.progress-label {
  font-size: 0.75rem;
  color: #888;
  display: block;
  margin-bottom: 12px;
}

.card-cta {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #007bff;
  text-decoration: none;
}
.card-cta:hover { text-decoration: underline; }

◆ Note
This card uses CSS custom properties (--color, --width) to pass data from HTML to CSS. This is a powerful pattern for dynamic styling without JavaScript.