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CSS (Cascading Style Sheets) controls the visual presentation of HTML. It makes your webpages look great.

What CSS Does

CSS handles:

  • Colors and typography
  • Layout and positioning
  • Spacing and sizing
  • Animations and transitions
  • Responsive design

Three Ways to Add CSS

<!-- 1. Inline CSS -->
<p style="color: blue; font-size: 18px;">Blue text</p>

<!-- 2. Internal CSS (in <head>) -->
<style>
  p { color: blue; font-size: 18px; }
</style>

<!-- 3. External CSS (best practice) -->
<link rel="stylesheet" href="style.css" />

Your First CSS File

/* style.css */
body {
  font-family: Arial, sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  margin: 0;
  padding: 0;
}

h1 {
  color: #1d4ed8;
  font-size: 2rem;
}

p {
  line-height: 1.6;
  font-size: 1rem;
}

Hong Kong Example

Style a simple student card:

.student-card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  max-width: 320px;
}

.student-card h2 {
  color: #1d4ed8;
  margin-bottom: 8px;
}

Introduction to CSS

CSS (Cascading Style Sheets) controls the visual presentation of HTML. It makes your webpages look great.

What CSS Does

CSS handles:

  • Colors and typography
  • Layout and positioning
  • Spacing and sizing
  • Animations and transitions
  • Responsive design

Three Ways to Add CSS

<!-- 1. Inline CSS -->
<p style="color: blue; font-size: 18px;">Blue text</p>

<!-- 2. Internal CSS (in <head>) -->
<style>
  p { color: blue; font-size: 18px; }
</style>

<!-- 3. External CSS (best practice) -->
<link rel="stylesheet" href="style.css" />

Your First CSS File

/* style.css */
body {
  font-family: Arial, sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  margin: 0;
  padding: 0;
}

h1 {
  color: #1d4ed8;
  font-size: 2rem;
}

p {
  line-height: 1.6;
  font-size: 1rem;
}

Hong Kong Example

Style a simple student card:

.student-card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  max-width: 320px;
}

.student-card h2 {
  color: #1d4ed8;
  margin-bottom: 8px;
}

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