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Margin

Assign responsive-friendly padding values to an element or a subset of its sides with shorthand classes.

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Class
Properties
m-0
m-1
m-2
m-3
m-4
m-5
m-6
m-7
m-8
m-10
m-12
m-16
m-20
m-24
m-32
m-40
m-48
m-56
m-64
m-72
m-80
m-88
m-96
m-px
my-0
my-1
my-2
my-3
my-4
my-5
my-6
my-7
my-8
my-10
my-12
my-16
my-20
my-24
my-32
my-40
my-48
my-56
my-64
my-72
my-80
my-88
my-96
my-px
mx-0
mx-1
mx-2
mx-3
mx-4
mx-5
mx-6
mx-7
mx-8
mx-10
mx-12
mx-16
mx-20
mx-24
mx-32
mx-40
mx-48
mx-56
mx-64
mx-72
mx-80
mx-88
mx-96
mx-px
mt-0
mt-1
mt-2
mt-3
mt-4
mt-5
mt-6
mt-7
mt-8
mt-10
mt-12
mt-16
mt-20
mt-24
mt-32
mt-40
mt-48
mt-56
mt-64
mt-72
mt-80
mt-88
mt-96
mt-px
me-0
me-1
me-2
me-3
me-4
me-5
me-6
me-7
me-8
me-10
me-12
me-16
me-20
me-24
me-32
me-40
me-48
me-56
me-64
me-72
me-80
me-88
me-96
me-px
mb-0
mb-1
mb-2
mb-3
mb-4
mb-5
mb-6
mb-7
mb-8
mb-10
mb-12
mb-16
mb-20
mb-24
mb-32
mb-40
mb-48
mb-56
mb-64
mb-72
mb-80
mb-88
mb-96
mb-px
ms-0
ms-1
ms-2
ms-3
ms-4
ms-5
ms-6
ms-7
ms-8
ms-10
ms-12
ms-16
ms-20
ms-24
ms-32
ms-40
ms-48
ms-56
ms-64
ms-72
ms-80
ms-88
ms-96
ms-px

Usage

Individual margin

mb-5
me-5
mt-5
ms-5

Axis margin

m-5
my-5
mx-5
<div class="m-5"></div>
<div class="my-5"></div>
<div class="mx-5"></div>

Horizontal centering

Use the .mx-auto class for horizontally centering fixed-width block level content—that is, content that has display: block and a width set—by setting the horizontal margins to auto

mx-auto

Negative margin

Margin properties can utilize negative values. These negative margins are enabled by default, but can be disabled in Sass by setting $enable-negative-margins: false.

The syntax is nearly the same as the default, positive margin utilities, but with the addition of n before the requested size. Here’s an example class that’s the opposite of .mb-n5:

mb-n5

Responsive

Responsive variations also exist for each margin value. Use the .m-{breakpoint}-{value} or .m{position}-{breakpoint}-{value} for sm, md, lg, xl, and xxl to any existing margin utility.

<!-- All sides -->
<div class="m-5 m-lg-10 ..."></div>

<!-- Individual side -->
<div class="mt-5 mt-lg-10 ..."></div>