Bootstrap CSS Classes

General

Bootstrap components

Bootstrap templates

Bootstrap editor

Accordion

accordion-body

accordion-button

accordion-collapse

accordion-flush

accordion-header

accordion-item

collapsed
Alerts

alert-danger

alert-dark

alert-dismissible

alert-heading

alert-info

alert-light

alert-link

alert-primary

alert-secondary

alert-success

alert-warning

fade
Badges

badge

badge-danger

badge-dark

badge-info

badge-light

badge-pill

badge-primary

badge-secondary

badge-success

badge-warning
Borders

border

border-*-0

border-1

border-danger

border-dark

border-info

border-light

border-primary

border-secondary

border-success

border-warning

border-white

rounded

rounded-*

rounded-0

rounded-1

rounded-2

rounded-3

rounded-bottom

rounded-circle

rounded-end

rounded-pill

rounded-start

rounded-top
Breadcrumbs

breadcrumb

breadcrumb-item
Button Groups

btn-group

btn-group (nested)

btn-group-lg

btn-group-sm

btn-group-vertical

btn-toolbar
Button Modifiers

active button

btn-block

btn-lg

btn-sm

checkbox as button

disabled button

radio as button
Buttons

btn

btn-close

btn-close-white

btn-danger

btn-dark

btn-info

btn-light

btn-link

btn-outline-danger

btn-outline-dark

btn-outline-info

btn-outline-light

btn-outline-primary

btn-outline-secondary

btn-outline-success

btn-outline-warning

btn-primary

btn-secondary

btn-success

btn-warning
Cards

card

card bg-... text-...

card-body

card-columns

card-deck

card-footer

card-group

card-header

card-header-pills

card-header-tabs

card-img-bottom

card-img-overlay

card-img-top

card-link

card-subtitle

card-text

card-title

h*.card-header

list-group

middle image

stretched-link
Carousel

carousel slide

carousel-caption

carousel-control-next

carousel-control-next-icon

carousel-control-prev

carousel-control-prev-icon

carousel-dark

carousel-fade

carousel-indicators

carousel-inner

carousel-item
Collapse

accordion

collapse
Colors

bg-body

bg-danger

bg-dark

bg-gradient

bg-info

bg-light

bg-primary

bg-secondary

bg-success

bg-transparent

bg-warning

bg-white

link-danger

link-dark

link-info

link-light

link-primary

link-secondary

link-success

link-warning

text-danger

text-dark

text-info

text-light

text-primary

text-secondary

text-success

text-warning

text-white
Custom Forms

custom-checkbox

custom-file

custom-radio

custom-range

custom-select

custom-switch
Display

d-*-block

d-*-flex

d-*-inline

d-*-inline-block

d-*-inline-flex

d-*-none

d-*-table

d-*-table-cell

d-grid

d-lg-grid

d-lg-table-row

d-md-grid

d-md-table-row

d-print-...

d-print-flex

d-print-grid

d-print-inline-flex

d-print-table

d-print-table-cell

d-print-table-row

d-sm-grid

d-sm-table-row

d-table-row

d-xl-grid

d-xl-table-row

d-xxl-block

d-xxl-flex

d-xxl-grid

d-xxl-inline

d-xxl-inline-block

d-xxl-inline-flex

d-xxl-none

d-xxl-table

d-xxl-table-cell

d-xxl-table-row
Dropdowns

dropdown

dropdown (split)

dropdown-divider

dropdown-header

dropdown-item

dropdown-item disabled

dropdown-item-text

dropdown-menu

dropdown-menu-dark

dropdown-menu-end

dropdown-menu-lg-end

dropdown-menu-lg-start

dropdown-menu-md-end

dropdown-menu-md-start

dropdown-menu-right

dropdown-menu-sm-end

dropdown-menu-sm-start

dropdown-menu-start

dropdown-menu-xl-end

dropdown-menu-xl-start

dropdown-toggle

dropdown-toggle-split

dropleft

dropright

dropup

dropup (split)
Figure

figure

figure-caption

figure-img
Flexbox

align-content-*-around

align-content-*-center

align-content-*-end

align-content-*-start

align-content-*-stretch

align-items-*-baseline

align-items-*-center

align-items-*-end

align-items-*-start

align-items-*-stretch

align-self-*-baseline

align-self-*-center

align-self-*-end

align-self-*-start

align-self-*-stretch

flex-*-column

flex-*-column-reverse

flex-*-grow-0

flex-*-grow-1

flex-*-nowrap

flex-*-row

flex-*-row-reverse

flex-*-shrink-0

flex-*-shrink-1

flex-*-wrap

flex-*-wrap-reverse

flex-fill

flex-lg-fill

flex-md-fill

flex-sm-fill

flex-xl-fill

flex-xxl-column

flex-xxl-column-reverse

flex-xxl-fill

flex-xxl-grow-0

flex-xxl-grow-1

flex-xxl-nowrap

flex-xxl-row

flex-xxl-row-reverse

flex-xxl-shrink-0

flex-xxl-shrink-1

flex-xxl-wrap

flex-xxl-wrap-reverse

justify-content-*-around

justify-content-*-between

justify-content-*-center

justify-content-*-end

justify-content-*-start

justify-content-around

justify-content-between

justify-content-center

justify-content-end

justify-content-evenly

justify-content-lg-around

justify-content-lg-between

justify-content-lg-center

justify-content-lg-end

justify-content-lg-evenly

justify-content-lg-start

justify-content-md-around

justify-content-md-between

justify-content-md-center

justify-content-md-end

justify-content-md-evenly

justify-content-md-start

justify-content-sm-around

justify-content-sm-between

justify-content-sm-center

justify-content-sm-end

justify-content-sm-evenly

justify-content-sm-start

justify-content-start

justify-content-xl-around

justify-content-xl-between

justify-content-xl-center

justify-content-xl-end

justify-content-xl-evenly

justify-content-xl-start

justify-content-xxl-around

justify-content-xxl-between

justify-content-xxl-center

justify-content-xxl-end

justify-content-xxl-evenly

justify-content-xxl-start

order-*-#

order-0

order-1

order-first

order-last

order-lg-0

order-lg-first

order-lg-last

order-md-0

order-md-first

order-md-last

order-sm-0

order-sm-first

order-sm-last

order-xl-0

order-xl-first

order-xl-last

order-xxl-0

order-xxl-first

order-xxl-last
Form Input Groups

checkbox

dropdown

input-group

input-group-append

input-group-lg

input-group-prepend

input-group-sm

radio

segmented buttons
Forms

_default

col-form-label

col-form-label-lg

col-form-label-sm

disabled items

form using the grid

form-check

form-check-inline

form-check-input

form-check-label

form-control

form-control-color

form-control-file

form-control-lg

form-control-plaintext

form-control-range

form-control-sm

form-floating

form-group

form-inline

form-label

form-select

form-select-lg

form-select-sm

form-switch

form-text

input-group-text

is-invalid

is-valid

readonly

valid-feedback

valid-tooltip
Grid

col

col-*

col-# (<576px)

col-1

col-10

col-11

col-12

col-2

col-3

col-4

col-5

col-6

col-7

col-8

col-9

col-auto

col-lg-# (≥992px)

col-lg-1

col-md-# (≥768px)

col-md-1

col-sm-# (≥576px)

col-sm-1

col-xl-# (≥1200px)

col-xl-1

col-xxl-1

container

container-fluid

container-sm

contanier-lg

contanier-md

contanier-xl

contanier-xxl

g-0

g-lg-0

g-md-0

g-sm-0

g-xl-0

g-xxl-0

gap-0

gap-lg-0

gap-md-0

gap-sm-0

gap-xl-0

gap-xxl-0

gx-0

gx-0

gx-lg-0

gx-lg-0

gx-md-0

gx-md-0

gx-sm-0

gx-sm-0

gx-xl-0

gx-xl-0

gx-xxl-0

gy-xxl-0

nested columns

no-gutters

offset-*-#

offset-0

offset-lg-0

offset-md-0

offset-xxl-0

order-#

row

row-cols-1

row-cols-auto

row-cols-lg-1

row-cols-lg-auto

row-cols-md-1

row-cols-md-auto

row-cols-sm-1

row-cols-sm-auto

row-cols-xl-1

row-cols-xl-auto

row-cols-xxl-1

row-cols-xxl-auto
Images

img-fluid

img-thumbnail
Jumbotron

jumbotron

jumbotron-fluid
List Group

list-group

list-group with badges

list-group with d-flex

list-group-item active

list-group-item disabled

list-group-item-action

list-group-item-danger

list-group-item-dark

list-group-item-info

list-group-item-light

list-group-item-primary

list-group-item-secondary

list-group-item-success

list-group-item-warning
List group

list-group-flush

list-group-horizontal

list-group-horizontal-lg

list-group-horizontal-md

list-group-horizontal-sm

list-group-horizontal-xl

list-group-horizontal-xxl

list-group-item
Media Objects

d-flex align-self-center

d-flex align-self-end

d-flex align-self-start

media

nested media

right aligned media
Misc

close

embed-responsive

initialism

invisible

overflow-auto

overflow-hidden

overflow-scroll

overflow-visible

pe-auto

pe-none

shadow

shadow-lg

shadow-none

shadow-sm

sr-only

sr-only-focusable

visible

visually-hidden

visually-hidden-focusable
Modal

modal

modal fade

modal-dialog-centered

modal-lg

modal-sm

modal-xl
Modals

modal-body

modal-content

modal-dialog

modal-dialog-scrollable

modal-footer

modal-fullscreen

modal-fullscreen-lg-down

modal-fullscreen-md-down

modal-fullscreen-sm-down

modal-fullscreen-xl-down

modal-fullscreen-xxl-down

modal-header

modal-static

modal-title
Navbar

collapse navbar-collapse

nav-item

nav-link

navbar

navbar fixed-bottom

navbar fixed-top

navbar sticky-top

navbar with form

navbar-brand

navbar-collapse

navbar-dark

navbar-dark bg-dark

navbar-expand-*

navbar-expand-lg

navbar-expand-md

navbar-expand-sm

navbar-expand-xl

navbar-expand-xxl

navbar-light

navbar-nav

navbar-text

navbar-toggler

navbar-toggler-icon
Navs

nav flex-column

nav justify-content-*

nav with flex utils

nav-fill

nav-justified

nav-pills

nav-pills with dropdown

nav-tabs

nav-tabs with dropdown

nav.nav

tab-content

tab-pane

ul.nav
Pagination

page-item active

page-item disabled

pagination

pagination-lg

pagination-sm
Popover

dismissible popover

popovers
Positioning

align-*

bottom-0

bottom-100

bottom-50

clearfix

end-0

end-100

end-50

fixed-bottom

fixed-top

float-*-left

float-*-none

float-*-right

float-end

float-lg-end

float-lg-none

float-lg-start

float-md-end

float-md-none

float-md-start

float-none

float-sm-end

float-sm-none

float-sm-start

float-start

float-xl-end

float-xl-none

float-xl-start

float-xxl-end

float-xxl-none

float-xxl-start

position-absolute

position-relative

position-static

start-0

start-100

start-50

sticky-lg-top

sticky-md-top

sticky-sm-top

sticky-top

sticky-xl-top

top-0

top-100

top-50

translate-middle
Progress

multiple progress-bar

progress

progress-bar

progress-bar bg-*

progress-bar with height

progress-bar with label

progress-bar-animated

progress-bar-striped

progress-bar-striped bg-*
Scrollspy

data-spy
Sizing

h-100

h-25

h-50

h-75

h-auto

mh-100

min-vw-100

mw-100

w-100

w-100

w-25

w-50

w-75

w-auto
Spacing

m-1 / m-*-#

m-auto

m-lg-0

m-lg-auto

m-md-0

m-md-auto

m-n1 / m-*-n#

m-sm-0

m-sm-auto

m-xl-0

m-xl-auto

m-xxl-0

m-xxl-auto

mb-1 / mb-*-#

mb-auto

mb-lg-0

mb-lg-auto

mb-md-0

mb-md-auto

mb-sm-0

mb-sm-auto

mb-xl-0

mb-xl-auto

mb-xxl-0

mb-xxl-auto

me-auto

me-lg-0

me-lg-auto

me-md-0

me-md-auto

me-sm-0

me-sm-auto

me-xl-0

me-xl-auto

me-xxl-0

me-xxl-auto

ml-1 / ml-*-#

mr-1 / mr-*-#

ms-auto

ms-lg-0

ms-lg-auto

ms-md-0

ms-md-auto

ms-sm-0

ms-sm-auto

ms-xl-0

ms-xl-auto

ms-xxl-0

ms-xxl-auto

mt-1 / mt-*-#

mt-auto

mt-lg-0

mt-lg-auto

mt-md-0

mt-md-auto

mt-sm-0

mt-sm-auto

mt-xl-0

mt-xl-auto

mt-xxl-0

mt-xxl-auto

mx-1 / mx-*-#

mx-auto

mx-lg-0

mx-lg-auto

mx-md-0

mx-md-auto

mx-sm-0

mx-sm-auto

mx-xl-0

mx-xl-auto

mx-xxl-0

mx-xxl-auto

my-1 / my-*-#

my-auto

my-lg-0

my-lg-auto

my-md-0

my-md-auto

my-sm-0

my-sm-auto

my-xl-0

my-xl-auto

my-xxl-0

my-xxl-auto

p-1 / p-*-#

p-lg-0

p-md-0

p-sm-0

p-xl-0

p-xxl-0

pb-0

pb-1 / pb-*-#

pb-lg-0

pb-md-0

pb-sm-0

pb-xl-0

pb-xxl-0

pe-0

pe-lg-0

pe-md-0

pe-sm-0

pe-xl-0

pe-xxl-0

pl-1 / pl-*-#

pr-1 / pr-*-#

ps-0

ps-lg-0

ps-md-0

ps-sm-0

ps-xl-0

ps-xxl-0

pt-0

pt-1 / pt-*-#

pt-lg-0

pt-md-0

pt-sm-0

pt-xl-0

pt-xxl-0

px-0

px-1 / px-*-#

px-lg-0

px-md-0

px-sm-0

px-xl-0

px-xxl-0

py-0

py-1 / py-*-#

py-lg-0

py-md-0

py-sm-0

py-xl-0

py-xxl-0
Spinner

spinner-border

spinner-border text-*

spinner-border-sm

spinner-grow

spinner-grow text-*

spinner-grow-sm
Tables

caption-top

table

table-*-responsive

table-active

table-bordered

table-borderless

table-danger

table-dark

table-hover

table-info

table-light

table-primary

table-reflow

table-responsive-xxl

table-secondary

table-sm

table-striped

table-success

table-warning

thead-dark

thead-light
Text

font-italic

font-weight-bold

font-weight-bolder

font-weight-light

font-weight-lighter

font-weight-normal

text-*-center

text-*-left

text-*-right

text-black-50

text-body

text-capitalize

text-decoration-none

text-hide

text-justify

text-lowercase

text-monospace

text-muted

text-nowrap

text-truncate

text-uppercase

text-white-50
Toast

toast-body

toast-header
Toasts

toast
Tooltips

tooltip
Typography

blockquote

blockquote-footer

blockquote-reverse

display-# (1-4)

display-1

display-2

display-3

display-4

display-5

display-6

dl-horizontal

font-monospace

fs-1

fs-2

fs-3

fs-4

fs-4

fs-5

fs-6

fs-lg-1

fs-md-1

fs-sm-1

fst-italic

fst-normal

fw-bolder

fw-light

fw-lighter

fw-normal

h1

h2

h3

h4

h5

h6

lead

lh-1

lh-base

lh-lg

lh-sm

list-inline

list-unstyled

text-break

text-center

text-decoration-line-through

text-decoration-underline

text-end

text-lg-center

text-lg-end

text-lg-start

text-md-center

text-md-end

text-md-start

text-reset

text-sm-center

text-sm-end

text-sm-start

text-start

text-wrap

text-xl-center

text-xl-end

text-xl-end

text-xl-end

text-xl-start

text-xl-start

text-xl-start

text-xxl-center

text-xxl-end

text-xxl-start

Bootstrap CSS class .border-warning

<span class="border border-warning">Hello World</span>

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More Bootstrap CSS classes in Borders category

.border

.border-*-0

.border-success

.border-warning

.border-secondary

.border-danger

.border-primary

.border-light

.border-white

.border-dark

.rounded

.rounded-circle

.rounded-*

.border-info

.rounded-0

.border-1

.rounded-1

.rounded-2

.rounded-3

.rounded-bottom

.rounded-start

.rounded-end

.rounded-pill

.rounded-top

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Bootstrap CSS class .border-warning

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Bootstrap CSS class .border-warning

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More Bootstrap CSS classes in Borders category

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