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Tailwind CSS 4.3 • Chapter 13

Typography Foundations

Every topic includes a plain-language explanation, exact steps, 10 practical examples, a hands-on example, expected output, common mistake, and practice task.

5 topics50 examples5 hands-on tasks10 Q&A
Practical course

13.1 Font Family

Font Family is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

Step by step

  1. Identify the CSS behavior behind Font Family.
  2. Build a very small HTML example before placing it inside a large component.
  3. Apply the Tailwind utilities and inspect the result at multiple viewport widths.
  4. Add interaction, dark mode, RTL, or accessibility states when the component needs them.
  5. Refactor repeated markup into a reusable component only after the visual rule is understood.

10 practical examples

  1. Apply Font Family to a course website and explain the decision you made.
  2. Apply Font Family to a online store and explain the decision you made.
  3. Apply Font Family to a banking app and explain the decision you made.
  4. Apply Font Family to a school portal and explain the decision you made.
  5. Apply Font Family to a clinic booking system and explain the decision you made.
  6. Apply Font Family to a dashboard and explain the decision you made.
  7. Apply Font Family to a restaurant site and explain the decision you made.
  8. Apply Font Family to a mobile app and explain the decision you made.
  9. Apply Font Family to a creator site and explain the decision you made.
  10. Apply Font Family to a business landing page and explain the decision you made.

Hands-on example

<div class="flex flex-wrap items-center gap-4 rounded-xl border bg-white p-6 shadow-sm">
  <span class="font-semibold text-slate-900">Font Family</span>
</div>

Expected output

A working responsive example demonstrating Font Family, with no page-wide overflow and clear behavior across breakpoints.

Common mistake: Using Font Family as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

Practice exercise

Create a fresh example for Font Family using a different product, screen, component, or content set. Explain what changed and why.

13.2 Font Size

Font Size is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

Step by step

  1. Identify the CSS behavior behind Font Size.
  2. Build a very small HTML example before placing it inside a large component.
  3. Apply the Tailwind utilities and inspect the result at multiple viewport widths.
  4. Add interaction, dark mode, RTL, or accessibility states when the component needs them.
  5. Refactor repeated markup into a reusable component only after the visual rule is understood.

10 practical examples

  1. Apply Font Size to a course website and explain the decision you made.
  2. Apply Font Size to a online store and explain the decision you made.
  3. Apply Font Size to a banking app and explain the decision you made.
  4. Apply Font Size to a school portal and explain the decision you made.
  5. Apply Font Size to a clinic booking system and explain the decision you made.
  6. Apply Font Size to a dashboard and explain the decision you made.
  7. Apply Font Size to a restaurant site and explain the decision you made.
  8. Apply Font Size to a mobile app and explain the decision you made.
  9. Apply Font Size to a creator site and explain the decision you made.
  10. Apply Font Size to a business landing page and explain the decision you made.

Hands-on example

<h2 class="text-2xl md:text-4xl font-semibold">Responsive heading</h2>

Expected output

A working responsive example demonstrating Font Size, with no page-wide overflow and clear behavior across breakpoints.

Common mistake: Using Font Size as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

Practice exercise

Create a fresh example for Font Size using a different product, screen, component, or content set. Explain what changed and why.

13.3 Font Weight

Font Weight is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

Step by step

  1. Identify the CSS behavior behind Font Weight.
  2. Build a very small HTML example before placing it inside a large component.
  3. Apply the Tailwind utilities and inspect the result at multiple viewport widths.
  4. Add interaction, dark mode, RTL, or accessibility states when the component needs them.
  5. Refactor repeated markup into a reusable component only after the visual rule is understood.

10 practical examples

  1. Apply Font Weight to a course website and explain the decision you made.
  2. Apply Font Weight to a online store and explain the decision you made.
  3. Apply Font Weight to a banking app and explain the decision you made.
  4. Apply Font Weight to a school portal and explain the decision you made.
  5. Apply Font Weight to a clinic booking system and explain the decision you made.
  6. Apply Font Weight to a dashboard and explain the decision you made.
  7. Apply Font Weight to a restaurant site and explain the decision you made.
  8. Apply Font Weight to a mobile app and explain the decision you made.
  9. Apply Font Weight to a creator site and explain the decision you made.
  10. Apply Font Weight to a business landing page and explain the decision you made.

Hands-on example

<div class="flex flex-wrap items-center gap-4 rounded-xl border bg-white p-6 shadow-sm">
  <span class="font-semibold text-slate-900">Font Weight</span>
</div>

Expected output

A working responsive example demonstrating Font Weight, with no page-wide overflow and clear behavior across breakpoints.

Common mistake: Using Font Weight as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

Practice exercise

Create a fresh example for Font Weight using a different product, screen, component, or content set. Explain what changed and why.

13.4 Line Height

Line Height is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

Step by step

  1. Identify the CSS behavior behind Line Height.
  2. Build a very small HTML example before placing it inside a large component.
  3. Apply the Tailwind utilities and inspect the result at multiple viewport widths.
  4. Add interaction, dark mode, RTL, or accessibility states when the component needs them.
  5. Refactor repeated markup into a reusable component only after the visual rule is understood.

10 practical examples

  1. Apply Line Height to a course website and explain the decision you made.
  2. Apply Line Height to a online store and explain the decision you made.
  3. Apply Line Height to a banking app and explain the decision you made.
  4. Apply Line Height to a school portal and explain the decision you made.
  5. Apply Line Height to a clinic booking system and explain the decision you made.
  6. Apply Line Height to a dashboard and explain the decision you made.
  7. Apply Line Height to a restaurant site and explain the decision you made.
  8. Apply Line Height to a mobile app and explain the decision you made.
  9. Apply Line Height to a creator site and explain the decision you made.
  10. Apply Line Height to a business landing page and explain the decision you made.

Hands-on example

<div class="flex flex-wrap items-center gap-4 rounded-xl border bg-white p-6 shadow-sm">
  <span class="font-semibold text-slate-900">Line Height</span>
</div>

Expected output

A working responsive example demonstrating Line Height, with no page-wide overflow and clear behavior across breakpoints.

Common mistake: Using Line Height as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

Practice exercise

Create a fresh example for Line Height using a different product, screen, component, or content set. Explain what changed and why.

13.5 Letter Spacing

Letter Spacing is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

Step by step

  1. Identify the CSS behavior behind Letter Spacing.
  2. Build a very small HTML example before placing it inside a large component.
  3. Apply the Tailwind utilities and inspect the result at multiple viewport widths.
  4. Add interaction, dark mode, RTL, or accessibility states when the component needs them.
  5. Refactor repeated markup into a reusable component only after the visual rule is understood.

10 practical examples

  1. Apply Letter Spacing to a course website and explain the decision you made.
  2. Apply Letter Spacing to a online store and explain the decision you made.
  3. Apply Letter Spacing to a banking app and explain the decision you made.
  4. Apply Letter Spacing to a school portal and explain the decision you made.
  5. Apply Letter Spacing to a clinic booking system and explain the decision you made.
  6. Apply Letter Spacing to a dashboard and explain the decision you made.
  7. Apply Letter Spacing to a restaurant site and explain the decision you made.
  8. Apply Letter Spacing to a mobile app and explain the decision you made.
  9. Apply Letter Spacing to a creator site and explain the decision you made.
  10. Apply Letter Spacing to a business landing page and explain the decision you made.

Hands-on example

<div class="flex flex-wrap items-center gap-4 rounded-xl border bg-white p-6 shadow-sm">
  <span class="font-semibold text-slate-900">Letter Spacing</span>
</div>

Expected output

A working responsive example demonstrating Letter Spacing, with no page-wide overflow and clear behavior across breakpoints.

Common mistake: Using Letter Spacing as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

Practice exercise

Create a fresh example for Letter Spacing using a different product, screen, component, or content set. Explain what changed and why.

Chapter 13 review — 10 questions and answers

1. What is the main purpose of Font Family?

Answer: Font Family is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

2. What is a common mistake with Font Family?

Answer: Using Font Family as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

3. What is the main purpose of Font Size?

Answer: Font Size is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

4. What is a common mistake with Font Size?

Answer: Using Font Size as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

5. What is the main purpose of Font Weight?

Answer: Font Weight is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

6. What is a common mistake with Font Weight?

Answer: Using Font Weight as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

7. What is the main purpose of Line Height?

Answer: Line Height is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

8. What is a common mistake with Line Height?

Answer: Using Line Height as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.

9. What is the main purpose of Letter Spacing?

Answer: Letter Spacing is part of the Tailwind CSS 4.3 workflow. Learn what the underlying CSS property or layout rule does first, then use the utility class to apply that rule consistently in markup.

10. What is a common mistake with Letter Spacing?

Answer: Using Letter Spacing as memorized class names without understanding the CSS behavior, responsive context, accessibility, or component structure.