align-items

The align-items CSS property specifies the default align-self for all of the child boxes (including anonymous boxes) participating in this box's formatting context.

Syntax

CSS

align-items: value;

JS

object.style.alignItems = "value";

Values

<'align-items'> = normal | stretch | <baseline-position> | [ <overflow-position>? <self-position> ]
normal

Represents the default alignment for the content.

stretch

If the combined size of the alignment subjects is less than the size of the alignment container, any auto-sized alignment subjects have their size increased equally (not proportionally), while still respecting the constraints imposed by max-height/max-width (or equivalent functionality), so that the combined size exactly fills the alignment container.

<baseline-position> = [ first | last ]? baseline
first baseline

Specifies participation in first-baseline alignment: aligns the alignment baseline of the box's first baseline set with the corresponding baseline of its baseline-sharing group.

last baseline

Specifies participation in last-baseline alignment: aligns the alignment baseline of the box's last baseline set with the corresponding baseline of its baseline-sharing group.

baseline

Computes to first baseline.

<overflow-position> = unsafe | safe
unsafe

Regardless of the relative sizes of the alignment subject and alignment container, the given alignment value is honored.

safe

If the size of the alignment subject overflows the alignment container, the alignment subject is instead aligned as if the alignment mode were start.

<self-position> = center | start | end | self-start | self-end | flex-start | flex-end
center

Centers the alignment subject within its alignment container.

start

Aligns the alignment subject to be flush with the alignment container's start edge in the appropriate axis.

end

Aligns the alignment subject to be flush with the alignment container's end edge in the appropriate axis.

self-start

Aligns the alignment subject to be flush with the edge of the alignment container corresponding to the alignment subject's start side in the appropriate axis.

self-end

Aligns the alignment subject to be flush with the edge of the alignment container corresponding to the alignment subject's end side in the appropriate axis.

flex-start

Aligns the alignment subject to be flush with the edge of the alignment container corresponding to the flex container's main-start or cross-start side, as appropriate. Only used in flex layout.

flex-end

Aligns the alignment subject to be flush with the edge of the alignment container corresponding to the flex container's main-end or cross-end side, as appropriate. Only used in flex layout.

Initial

normal

Examples

1 · normal

2 · stretch

3 · baseline-position · first baseline

4 · baseline-position · last baseline

5 · baseline-position · baseline

6 · overflow-position · unsafe

7 · overflow-position · safe

8 · self-position · center

9 · self-position · start

10 · self-position · end

11 · self-position · self-start

12 · self-position · self-end

13 · self-position · flex-start

14 · self-position · flex-end

15 · JS · Inline

16 · JS · Internal

accent-color

align-content

align-self

all

animation

animation-composition

animation-delay

animation-direction

animation-duration

animation-fill-mode

animation-iteration-count

animation-name

animation-play-state

animation-timeline

animation-timing-function

appearance

aspect-ratio

backdrop-filter

backface-visibility

background

background-attachment

background-blend-mode

background-clip

background-color

background-image

background-origin

background-position

background-position-x

background-position-y

background-repeat

background-size

block-ellipsis

block-size

border

border-block

border-block-color

border-block-end

border-block-end-color

border-block-end-style

border-block-end-width

border-block-start

border-block-start-color

border-block-start-style

border-block-start-width

border-block-style

border-block-width

border-bottom

border-bottom-color

border-bottom-left-radius

border-bottom-right-radius

border-bottom-style

border-bottom-width

border-collapse

border-color

border-end-end-radius

border-end-start-radius

border-image

border-image-outset

border-image-repeat

border-image-slice

border-image-source

border-image-width

border-inline

border-inline-color

border-inline-end

border-inline-end-color

border-inline-end-style

border-inline-end-width

border-inline-start

border-inline-start-color

border-inline-start-style

border-inline-start-width

border-inline-style

border-inline-width

border-left

border-left-color

border-left-style

border-left-width

border-radius

border-right

border-right-color

border-right-style

border-right-width

border-spacing

border-start-end-radius

border-start-start-radius

border-style

border-top

border-top-color

border-top-left-radius

border-top-right-radius

border-top-style

border-top-width

border-width

bottom

box-decoration-break

box-shadow

box-sizing

caption-side

caret

caret-color

caret-shape

clear

clip

clip-path

color

color-scheme

column-count

column-fill

column-gap

column-rule

column-rule-color

column-rule-style

column-rule-width

column-span

column-width

columns

contain

contain-intrinsic-block-size

contain-intrinsic-height

contain-intrinsic-inline-size

contain-intrinsic-size

contain-intrinsic-width

container

container-name

container-type

content

content-visibility

continue

counter-increment

counter-reset

counter-set

cursor

direction

display

empty-cells

filter

flex

flex-basis

flex-direction

flex-flow

flex-grow

flex-shrink

flex-wrap

float

font

font-family

font-feature-settings

font-kerning

font-optical-sizing

font-size

font-size-adjust

font-stretch

font-style

font-variant

font-variant-caps

font-variant-ligatures

font-variant-numeric

font-variant-position

font-variation-settings

font-weight

forced-color-adjust

gap

grid

grid-area

grid-auto-columns

grid-auto-flow

grid-auto-rows

grid-column

grid-column-end

grid-column-start

grid-row

grid-row-end

grid-row-start

grid-template

grid-template-areas

grid-template-columns

grid-template-rows

hanging-punctuation

height

hyphens

image-rendering

initial-letter

initial-letter-align

inline-size

inset

inset-block

inset-block-end

inset-block-start

inset-inline

inset-inline-end

inset-inline-start

isolation

justify-content

justify-items

justify-self

left

letter-spacing

line-break

line-clamp

line-height

list-style

list-style-image

list-style-position

list-style-type

margin

margin-block

margin-block-end

margin-block-start

margin-bottom

margin-inline

margin-inline-end

margin-inline-start

margin-left

margin-right

margin-top

mask

mask-border

mask-border-mode

mask-border-outset

mask-border-repeat

mask-border-slice

mask-border-source

mask-border-width

mask-clip

mask-composite

mask-image

mask-mode

mask-origin

mask-position

mask-repeat

mask-size

mask-type

math-depth

math-shift

math-style

max-block-size

max-height

max-inline-size

max-lines

max-width

min-block-size

min-height

min-inline-size

min-width

mix-blend-mode

nav-down

nav-left

nav-right

nav-up

object-fit

object-position

opacity

orphans

outline

outline-color

outline-offset

outline-style

outline-width

overflow

overflow-block

overflow-clip-margin

overflow-inline

overflow-wrap

overflow-x

overflow-y

padding

padding-block

padding-block-end

padding-block-start

padding-bottom

padding-inline

padding-inline-end

padding-inline-start

padding-left

padding-right

padding-top

paint-order

perspective

perspective-origin

place-content

place-items

place-self

pointer-events

position

print-color-adjust

quotes

resize

right

rotate

row-gap

scale

scroll-behavior

scroll-margin

scroll-margin-block

scroll-margin-block-end

scroll-margin-block-start

scroll-margin-bottom

scroll-margin-inline

scroll-margin-inline-end

scroll-margin-inline-start

scroll-margin-left

scroll-margin-right

scroll-margin-top

scroll-padding

scroll-padding-block

scroll-padding-block-end

scroll-padding-block-start

scroll-padding-bottom

scroll-padding-inline

scroll-padding-inline-end

scroll-padding-inline-start

scroll-padding-left

scroll-padding-right

scroll-padding-top

scroll-snap-align

scroll-snap-stop

scroll-snap-type

scroll-timeline

scroll-timeline-axis

scroll-timeline-name

scrollbar-color

scrollbar-gutter

scrollbar-width

shape-image-threshold

shape-margin

shape-outside

tab-size

table-layout

text-align

text-align-all

text-align-last

text-combine-upright

text-decoration

text-decoration-color

text-decoration-line

text-decoration-skip-ink

text-decoration-style

text-decoration-thickness

text-decoration-trim

text-emphasis

text-emphasis-color

text-emphasis-position

text-emphasis-style

text-indent

text-justify

text-orientation

text-overflow

text-shadow

text-transform

text-underline-offset

text-underline-position

top

transform

transform-box

transform-origin

transform-style

transition

transition-delay

transition-duration

transition-property

transition-timing-function

translate

unicode-bidi

vertical-align

visibility

white-space

widows

width

word-break

word-spacing

word-wrap

writing-mode

z-index

zoom

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