Background size and position in Tailwind - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the background size to cover the entire element.

Tailwind

<div class="bg-[url('/image.jpg')] [1] h-64 w-64"></div>

Drag options to blanks, or click blank then click option'

Abg-contain

Bbg-repeat

Cbg-cover

Dbg-center

Attempts:

3 left

💡 Hint

Common Mistakes

Using bg-contain which fits the image but may leave empty space.

Using bg-repeat which repeats the image instead of resizing.

The bg-cover class makes the background image cover the entire element area.

2fill in blank

medium

Complete the code to center the background image inside the element.

Tailwind

<div class="bg-[url('/photo.png')] h-48 w-48 [1]"></div>

Drag options to blanks, or click blank then click option'

Abg-left

Bbg-top

Cbg-bottom

Dbg-center

Attempts:

3 left

💡 Hint

Common Mistakes

Using bg-top or bg-bottom which align the image to edges.

Using bg-left which aligns the image to the left side.

The bg-center class centers the background image horizontally and vertically.

3fill in blank

hard

Fix the error in the code to make the background image not repeat.

Tailwind

<div class="bg-[url('/pattern.svg')] [1] h-40 w-40"></div>

Drag options to blanks, or click blank then click option'

Abg-repeat-x

Bbg-no-repeat

Cbg-repeat

Dbg-repeat-y

Attempts:

3 left

💡 Hint

Common Mistakes

Using bg-repeat which causes the image to repeat.

Using bg-repeat-x or bg-repeat-y which repeat only in one direction.

The bg-no-repeat class stops the background image from repeating.

4fill in blank

hard

Fill both blanks to make the background image cover the element and position it at the top right.

Tailwind

<div class="bg-[url('/scenery.jpg')] [1] [2] h-72 w-72"></div>

Drag options to blanks, or click blank then click option'

Abg-cover

Bbg-center

Cbg-top-right

Dbg-no-repeat

Attempts:

3 left

💡 Hint

Common Mistakes

Using bg-center instead of bg-top-right for position.

Using bg-no-repeat which only controls repetition.

Use bg-cover to cover the element and bg-top-right to position the image at the top right corner.

5fill in blank

hard

Fill all three blanks to create a background image that is contained inside the element, positioned at bottom left, and does not repeat.

Tailwind

<div class="bg-[url('/texture.png')] [1] [2] [3] h-56 w-56"></div>

Drag options to blanks, or click blank then click option'

Abg-contain

Bbg-no-repeat

Cbg-bottom-left

Dbg-cover

Attempts:

3 left

💡 Hint

Common Mistakes

Using bg-cover instead of bg-contain which may crop the image.

Using bg-repeat which causes the image to repeat.

Using bg-center instead of bg-bottom-left for position.

Use bg-contain to fit the image inside, bg-bottom-left to position it at the bottom left, and bg-no-repeat to prevent repeating.

Practice

1. Which Tailwind class makes a background image cover the entire element, possibly cropping parts of the image?

easy

A. bg-cover

B. bg-contain

C. bg-auto

D. bg-center

Solution

1. Step 1: Understand background size classes

   bg-cover makes the background image fill the entire element, cropping if needed.

2. Step 2: Compare with other classes

   bg-contain fits the whole image inside without cropping, bg-auto keeps original size, and bg-center is about position, not size.

3. Final Answer:

   bg-cover -> Option A

4. Quick Check:

   Full coverage = bg-cover [OK]

Hint: Cover fills area, contain fits inside, auto keeps size [OK]

Common Mistakes:

• Confusing bg-cover with bg-contain
• Thinking bg-center changes size
• Using bg-auto to fill area

2. Which Tailwind class correctly sets the background image position to the top right corner?

easy

A. bg-top-right

B. bg-top-right is not a valid Tailwind class

C. bg-righttop

D. bg-top

Solution

1. Step 1: Recall Tailwind background position classes

   Tailwind provides position classes like bg-top for top center, but does not have bg-top-right.

2. Step 2: Understand other options

   bg-top sets top center, bg-righttop is invalid, and bg-top-right is not a valid Tailwind class.

3. Final Answer:

   bg-top -> Option D

4. Quick Check:

   Top right is not a valid class; top center = bg-top [OK]

Hint: Tailwind uses bg-top for top center; no bg-top-right class [OK]

Common Mistakes:

• Using bg-top-right which is invalid
• Mixing order of position words
• Using invalid class names

3. What will be the visual effect of this Tailwind class combination on a div with a background image?

<div class="bg-contain bg-bottom bg-no-repeat w-64 h-64"></div>

medium

A. Background image keeps original size, centered, repeats

B. Background image covers the div, positioned at the bottom, repeats

C. Background image fits inside the div, positioned at the bottom, no repeat

D. Background image fits inside the div, centered, repeats

Solution

1. Step 1: Analyze background size

   bg-contain makes the image fit inside the div without cropping.

2. Step 2: Analyze position and repeat

   bg-bottom places the image at the bottom, and bg-no-repeat prevents repeating.

3. Final Answer:

   Background image fits inside the div, positioned at the bottom, no repeat -> Option C

4. Quick Check:

   Contain + bottom + no-repeat = Background image fits inside the div, positioned at the bottom, no repeat [OK]

Hint: Contain fits, bottom moves image down, no-repeat stops repeats [OK]

Common Mistakes:

• Confusing bg-contain with bg-cover
• Ignoring bg-no-repeat effect
• Assuming default center position

4. Identify the error in this Tailwind class usage for background size and position:

<div class="bg-auto bg-center bg-cover"></div>

medium

A. Using both bg-auto and bg-cover together causes conflict

B. bg-center is invalid for background position

C. Missing bg-no-repeat causes image to repeat

D. The classes are correct and will work as expected

Solution

1. Step 1: Understand background size classes conflict

   bg-auto keeps original size, bg-cover fills the area. Using both together conflicts because they set different sizes.

2. Step 2: Check position and repeat classes

   bg-center is valid for position, and bg-no-repeat is optional; its absence doesn't cause an error.

3. Final Answer:

   Using both bg-auto and bg-cover together causes conflict -> Option A

4. Quick Check:

   Conflicting size classes = Using both bg-auto and bg-cover together causes conflict [OK]

Hint: Don't combine conflicting size classes like bg-auto and bg-cover [OK]

Common Mistakes:

• Thinking bg-center is invalid
• Assuming missing bg-no-repeat is an error
• Ignoring class conflicts

5. You want a background image that fits fully inside a responsive card, stays at the top left corner, and never repeats. Which Tailwind classes should you use together?

hard

A. bg-cover bg-top-left bg-no-repeat

B. bg-contain bg-top-left bg-no-repeat

C. bg-auto bg-left-top bg-repeat

D. bg-contain bg-center bg-repeat

Solution

1. Step 1: Choose background size to fit fully inside

   bg-contain fits the entire image inside without cropping, perfect for responsive cards.

2. Step 2: Set position and repeat

   bg-top-left places image at top left corner, and bg-no-repeat prevents repeating.

3. Final Answer:

   bg-contain bg-top-left bg-no-repeat -> Option B

4. Quick Check:

   Contain + top-left + no-repeat = bg-contain bg-top-left bg-no-repeat [OK]

Hint: Contain fits inside, top-left positions, no-repeat stops repeats [OK]

Common Mistakes:

• Using bg-cover crops image
• Confusing bg-top (top center) with top left
• Forgetting bg-no-repeat to stop repeats