Gutters and spacing control in Bootsrap - Cheat Sheet & Quick Revision

Recall & Review

beginner

What are gutters in Bootstrap grid layout?

Gutters are the spaces between columns in a Bootstrap grid. They help separate content visually and keep the layout clean.

beginner

How do you remove gutters between columns in Bootstrap 5?

You add the class g-0 to the row to remove all gutters (spacing) between columns.

beginner

What does the Bootstrap class g-3 do?

It adds a medium amount of spacing (gutters) between columns and rows, roughly equal to 1rem (16px).

intermediate

How can you control horizontal and vertical spacing separately in Bootstrap?

Use gx-* classes for horizontal gutters and gy-* classes for vertical gutters, where * is a number from 0 to 5.

intermediate

What Bootstrap utility classes control margin and padding spacing?

Classes like m-* control margin and p-* control padding. You can specify sides (top, bottom, left, right) and sizes from 0 to 5.

Which class removes all gutters between columns in Bootstrap?

A g-0

B no-gutters

C gx-5

D g-5

In Bootstrap 5, g-0 removes all gutters. The no-gutters class was used in Bootstrap 4 but is deprecated.

What does the class gy-2 do?

A Adds vertical spacing between rows

B Adds padding inside columns

C Removes all gutters

D Adds horizontal spacing between columns

gy-2 adds vertical gutters (spacing) between rows only.

How do you add margin only to the top of an element in Bootstrap?

A m-5

B mt-3

C p-3

D mx-2

mt-3 adds margin to the top side only.

If you want medium spacing between columns and rows, which class is best?

A g-5

B g-1

C g-3

D g-0

g-3 adds medium spacing (about 1rem) between columns and rows.

Which class controls padding on the left and right sides only?

A py-*

B my-*

C mx-*

D px-*

px-* controls horizontal padding (left and right).

Explain how to control gutters and spacing in a Bootstrap grid layout.

Think about how spacing affects columns and rows separately.

Describe how Bootstrap utility classes help manage margin and padding for spacing.

Remember margin is outside space, padding is inside space.

Practice

1. What does the Bootstrap class g-3 do in a grid layout?

easy

A. Removes all gutters between columns

B. Adds a medium gutter spacing between columns

C. Adds padding inside each column

D. Centers the grid horizontally

Solution

1. Step 1: Understand gutter classes in Bootstrap

   The class g-3 sets the gutter size between columns to a medium spacing level.

2. Step 2: Differentiate gutters from padding and margin

   Gutters control space between columns, not inside columns (padding) or outside elements (margin).

3. Final Answer:

   Adds a medium gutter spacing between columns -> Option B

4. Quick Check:

   Gutter size 3 means medium space between columns [OK]

Hint: Gutter classes control space between columns, not inside elements [OK]

Common Mistakes:

• Confusing gutters with padding or margin
• Thinking g-3 removes gutters
• Assuming gutters center content

2. Which Bootstrap class correctly removes all horizontal gutters between columns?

easy

A. gx-0

B. gy-0

C. g-0

D. g-5

Solution

1. Step 1: Understand gutter axis classes

   gx-0 removes horizontal gutters (x-axis), gy-0 removes vertical gutters (y-axis), and g-0 removes both.

2. Step 2: Identify the class that removes only horizontal gutters

   Since the question asks for horizontal gutters only, gx-0 is correct.

3. Final Answer:

   gx-0 -> Option A

4. Quick Check:

   gx-0 removes horizontal gutters only [OK]

Hint: gx controls horizontal gutters, gy controls vertical gutters [OK]

Common Mistakes:

• Using g-0 removes all gutters, not just horizontal
• Confusing gx and gy classes
• Choosing g-5 which adds large gutters

3. Given this HTML snippet:

<div class='row gx-4'>
  <div class='col'>A</div>
  <div class='col'>B</div>
</div>

What is the effect of gx-4 on the columns?

medium

A. Adds large horizontal space between columns

B. Adds small vertical space between columns

C. Removes all gutters between columns

D. Adds padding inside each column

Solution

1. Step 1: Identify gutter axis and size

   The class gx-4 sets horizontal gutters (x-axis) to size 4, which is large spacing.

2. Step 2: Understand gutter effect on columns

   This adds horizontal space between the columns but does not affect vertical spacing or padding inside columns.

3. Final Answer:

   Adds large horizontal space between columns -> Option A

4. Quick Check:

   gx-4 means large horizontal gutters [OK]

Hint: gx controls horizontal gutters; 4 means large space [OK]

Common Mistakes:

• Confusing vertical and horizontal gutters
• Thinking gutters add padding inside columns
• Assuming gx-4 removes gutters

4. You want to remove vertical gutters but keep horizontal gutters at size 3. Which class combination is correct?

medium

A. gy-3 gx-0

B. gx-0 gy-3

C. gy-0 gx-3

D. g-0 g-3

Solution

1. Step 1: Understand axis gutter classes

   gy-0 removes vertical gutters, gx-3 sets horizontal gutters to size 3.

2. Step 2: Check each option

   gy-0 gx-3 correctly removes vertical gutters and sets horizontal gutters to 3. Others either reverse axes or conflict.

3. Final Answer:

   gy-0 gx-3 -> Option C

4. Quick Check:

   gy-0 removes vertical, gx-3 sets horizontal gutters [OK]

Hint: gy controls vertical gutters, gx controls horizontal gutters [OK]

Common Mistakes:

• Swapping gx and gy classes
• Using g-0 removes all gutters
• Combining conflicting gutter sizes

5. You have a grid with 3 columns and want to add equal spacing inside each column and between columns. Which Bootstrap classes should you combine?

hard

A. Use gx-3 on the row and m-2 on each column

B. Use g-0 on the row and m-3 on each column

C. Use gy-0 on the row and p-0 on each column

D. Use g-2 on the row and p-3 on each column

Solution

1. Step 1: Add spacing between columns with gutters

   Using g-2 on the row adds equal gutters (spacing) between all columns.

2. Step 2: Add spacing inside each column with padding

   Adding p-3 on each column adds equal padding inside each column for internal spacing.

3. Final Answer:

   Use g-2 on the row and p-3 on each column -> Option D

4. Quick Check:

   Gutters add space between columns; padding adds space inside columns [OK]

Hint: Combine gutters on row and padding on columns for full spacing [OK]

Common Mistakes:

• Using margin instead of padding inside columns
• Removing gutters accidentally with g-0
• Adding padding on row instead of columns