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Utilities
Margin
Top
u-mt-0
margin-top: 0;
u-mt-1
margin-top: 1em;
u-mt-2
margin-top: 2em;
u-mt-3
margin-top: 3em;
u-mt-auto
margin-top: auto;
Bottom
u-mb-0
margin-bottom: 0;
u-mb-1
margin-bottom: 1em;
u-mb-2
margin-bottom: 2em;
u-mb-3
margin-bottom: 3em;
Other
u-m-0
margin: 0;
u-mlr-auto
margin: 0 auto; (centers element))
u-mr-1
margin-right: 1em;
u-ml-1
margin-left: 1em;
Padding
Top
u-pt-0
padding-top: 0;
u-pt-1
padding-top: 1em;
u-pt-2
padding-top: 2em;
u-pt-3
padding-top: 3em;
Bottom
u-pb-0
padding-bottom: 0;
u-pb-1
padding-bottom: 1em;
u-pb-2
padding-bottom: 2em;
u-pb-3
padding-bottom: 3em;
Other
u-p-0
padding: 0;
u-p-1
padding: 1em;
Alignment
u-text-center
text-align: center;
u-text-right
text-align: right;
Overflow
u-overflow-hidden
overflow: hidden;
u-overflow-visible
overflow: visible;
Display + position
u-d-none
display: none;
u-d-block
display: block;
u-d-flex
display: flex;
u-d-inline-flex
display: inline-flex;
u-position-relative;
position: relative;
u-position-sticky;
position: sticky;
Size
u-w-100
width: 100%;
u-h-100
height: 100%;
u-minh-100vh
min-height: 100vh;
Helpers
u-img-cover
Multiple properties
u-link-cover
Multiple properties
Open link
u-aspect-1x1
Multiple properties
u-z-index-1
Multiple properties
u-sr-only
Multiple properties
Screen Reader Only
u-border
Multiple properties
Layout
Section
section
Container
container
Grid
col
col
col
col
col
col
col
col
col
col
Grid - Desktop
col
col-lg-1
col
col-lg-11
col
col-lg-2
col
col-lg-10
col
col-lg-3
col
col-lg-9
col
col-lg-4
col
col-lg-8
col
col-lg-5
col
col-lg-7
col
col-lg-6
col
col-lg-6
col
col-lg-12
Grid - Tablet
col
col-md-1
col
col-md-11
col
col-md-2
col
col-md-10
col
col-md-3
col
col-md-9
col
col-md-4
col
col-md-8
col
col-md-5
col
col-md-7
col
col-md-6
col
col-md-6
col
col-md-12
Grid - Mobile Landscape
col
col-sm-1
col
col-sm-11
col
col-sm-2
col
col-sm-10
col
col-sm-3
col
col-sm-9
col
col-sm-4
col
col-sm-8
col
col-sm-5
col
col-sm-7
col
col-sm-6
col
col-sm-6
col
col-sm-12
Grid - Mobile Portrait
col
col-xs-1
col
col-xs-11
col
col-xs-2
col
col-xs-10
col
col-xs-3
col
col-xs-9
col
col-xs-4
col
col-xs-8
col
col-xs-5
col
col-xs-7
col
col-xs-6
col
col-xs-6
col
col-xs-12
Align columns
row
row-align-center
col
col
col
row
row-align-end
col
col
col
Justify columns
row
row-justify-end
col
col
row
row-justify-center
col
col
row
row-justify-around
col
col
row
row-justify-between
col
col
Reorder columns
col
col-lg-first
col
col-md-first
col
col-sm-first
col
col-xs-first
col
col-lg-last
col
col-md-last
col
col-sm-last
col
col-xs-last
Other columns modifiers
Shrink Column
col
col-shrink
col
Gutterless Column
row
row-no-gutters
col
col-no-gutters
col
col-no-gutters
col
col-no-gutters
col
col-no-gutters