Text decoration in CSS - Practice Problems & Coding Challenges

Challenge - 5 Problems

📝 Syntax

intermediate

What is the output of this CSS snippet?

Given the CSS below, what will be the style of the text inside the <p> element?

p { text-decoration: underline overline; }

CSS

<p>This is a test text.</p>

A The text will have no decoration.

B The text will have only an underline.

C The text will have only an overline.

D The text will have both an underline and an overline.

💡 Hint

Think about how multiple values for text-decoration work.

The CSS property 'text-decoration' can accept multiple values like 'underline' and 'overline' together, so the text will have both lines above and below.

🧠 Conceptual

intermediate

Which CSS property controls the color of the text decoration?

You want to change the color of an underline on a link. Which CSS property should you use?

A text-decoration-color

B color

C text-color

D decoration-color

💡 Hint

The property name includes 'text-decoration' and relates to color.

The 'text-decoration-color' property specifically changes the color of the decoration lines like underline or overline, separate from the text color.

❓ rendering

advanced

What will be the visual result of this CSS on a paragraph?

Consider this CSS:

p { text-decoration-line: underline; text-decoration-style: wavy; text-decoration-color: red; }

What will the underline look like?

CSS

<p>Sample text</p>

A A straight red underline below the text.

B A wavy red underline below the text.

C No underline will appear.

D A dotted red underline below the text.

💡 Hint

Look at the 'text-decoration-style' value.

The 'text-decoration-style: wavy' creates a wavy line under the text, and 'text-decoration-color: red' colors it red.

❓ selector

advanced

Which selector applies underline only to links inside a nav element?

You want to underline only <a> elements inside a <nav> element. Which CSS selector is correct?

A nav a { text-decoration: underline; }

B a nav { text-decoration: underline; }

C nav > a { text-decoration: underline; }

D a > nav { text-decoration: underline; }

💡 Hint

Think about the order and relationship of elements in selectors.

The selector 'nav a' targets all anchor tags inside any nav element, applying underline only there.

❓ accessibility

expert

Why should you avoid using only 'text-decoration: none' on links for accessibility?

Removing underlines from links with 'text-decoration: none' can cause what accessibility issue?

A It changes the font size unexpectedly.

B It causes links to become unclickable.

C Users may not recognize links because underlines help identify them.

D It disables keyboard navigation.

💡 Hint

Think about how people visually identify links.

Underlines are a common visual cue for links. Removing them without other cues can confuse users, especially those with visual impairments.

Practice

1. Which CSS property is used to add an underline to text?

easy

A. text-transform

B. font-style

C. line-height

D. text-decoration

Solution

1. Step 1: Identify the property for text lines

   The property text-decoration controls lines like underline, overline, and line-through on text.

2. Step 2: Confirm the underline effect

   Using text-decoration: underline; adds an underline to the text.

3. Final Answer:

   text-decoration -> Option D

4. Quick Check:

   Underline = text-decoration [OK]

Hint: Underline text with text-decoration property [OK]

Common Mistakes:

• Confusing font-style with underline
• Using text-transform which changes case
• Using line-height which controls spacing

2. Which of the following is the correct syntax to add a line-through effect to text in CSS?

easy

A. text-decoration: strike;

B. text-decoration: line-through;

C. text-decoration: crossed;

D. text-decoration: overline;

Solution

1. Step 1: Recall valid text-decoration values

   The valid values for text-decoration include underline, overline, and line-through.

2. Step 2: Match the line-through effect

   The correct value to cross out text is line-through. Other options like strike or crossed are invalid.

3. Final Answer:

   text-decoration: line-through; -> Option B

4. Quick Check:

   Line-through = line-through [OK]

Hint: Use line-through for strike effect in text-decoration [OK]

Common Mistakes:

• Using invalid values like strike or crossed
• Confusing overline with line-through
• Missing the colon or semicolon in syntax

3. What will be the visual effect of this CSS on a paragraph?

p { text-decoration: underline overline; }

medium

A. The paragraph text will only have an overline.

B. The paragraph text will only have an underline.

C. The paragraph text will have both an underline and an overline.

D. The paragraph text will have no decoration.

Solution

1. Step 1: Understand multiple values in text-decoration

   The text-decoration property can accept multiple values separated by spaces to combine effects.

2. Step 2: Apply underline and overline together

   Using underline overline applies both lines above and below the text simultaneously.

3. Final Answer:

   The paragraph text will have both an underline and an overline. -> Option C

4. Quick Check:

   Multiple decorations combine = both lines [OK]

Hint: Multiple text-decoration values add multiple lines [OK]

Common Mistakes:

• Assuming only the first value applies
• Thinking values override each other
• Confusing overline with underline

4. Identify the error in this CSS code snippet:

h1 { text-decoration: underlined; }

medium

A. The value 'underlined' is invalid for text-decoration.

B. The property name should be 'text-decoration-line'.

C. Missing semicolon after the value.

D. The selector 'h1' is incorrect.

Solution

1. Step 1: Check valid values for text-decoration

   Valid values include underline, overline, line-through, but not underlined.

2. Step 2: Confirm property and syntax correctness

   The property text-decoration is correct and semicolon is present. The selector h1 is valid.

3. Final Answer:

   The value 'underlined' is invalid for text-decoration. -> Option A

4. Quick Check:

   Valid values only = underline, overline, line-through [OK]

Hint: Use exact values: underline, not underlined [OK]

Common Mistakes:

• Adding 'd' to underline value
• Confusing property names
• Ignoring semicolon errors

5. You want to style a link so it has a red underline only when hovered, and no decoration normally. Which CSS code achieves this?

hard

A. a { text-decoration: none; } a:hover { text-decoration: underline; text-decoration-color: red; }

B. a { text-decoration: underline red; } a:hover { text-decoration: none; }

C. a { text-decoration-color: red; } a:hover { text-decoration: none; }

D. a { text-decoration: underline; } a:hover { text-decoration-color: red; }

Solution

1. Step 1: Set no decoration normally

   Use text-decoration: none; on the link to remove underline by default.

2. Step 2: Add red underline on hover

   On a:hover, add text-decoration: underline; and set text-decoration-color: red; to color the underline red.

3. Final Answer:

   a { text-decoration: none; } a:hover { text-decoration: underline; text-decoration-color: red; } -> Option A

4. Quick Check:

   None normally + red underline on hover = a { text-decoration: none; } a:hover { text-decoration: underline; text-decoration-color: red; } [OK]

Hint: Use none normally, underline + color on hover [OK]

Common Mistakes:

• Setting underline always, not only on hover
• Using text-decoration-color without underline
• Reversing hover and normal styles