align-content in CSS Flexbox – How to Layout Flex Lines

align-content specify how browsers should position a flexible container's lines along the flexbox's cross-axis.

note

The align-content property does not affect a flexbox with only one line—for instance, a flexible container with flex-wrap: nowrap. In other words, align-content works only on flexboxes with multiple lines.

The align-content property accepts the following values:

• stretch
• flex-start
• center
• flex-end
• space-between
• space-around
• space-evenly

Let's discuss the seven values.

What Is align-content: stretch in CSS Flexbox?

stretch is align-content's default value. It stretches the flexible container's lines to fill the flexbox's cross-axis.

align-content's stretch value stretches flexbox's lines to fill the container's cross-axis

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: stretch;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

The snippet above used the stretch value to stretch the flexbox's lines to fill the <section>'s cross-axis.

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What Is align-content: flex-start in CSS Flexbox?

flex-start aligns a flexible container's lines with the cross-start edge of the flexbox's cross-axis.

align-content's flex-start value aligns flexbox's lines to the container's cross-start edge

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

The snippet above used the flex-start value to align the flexbox's lines to the cross-start edge of the <section>'s cross-axis.

What Is align-content: center in CSS Flexbox?

center aligns a flexible container's lines to the center of the flexbox's cross-axis.

align-content center value aligns flexbox's lines to the center of the container's cross-axis

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: center;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

We used the center value to align the flexbox's lines to the center of the <section>'s cross-axis.

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What Is align-content: flex-end in CSS Flexbox?

flex-end aligns a flexible container's lines with the cross-end edge of the flexbox's cross-axis.

align-content's flex-end value aligns flexbox's lines to the container's cross-end edge

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-end;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

We used the flex-end value to align the flexbox's lines to the cross-end edge of the <section>'s cross-axis.

What Is align-content: space-between in CSS Flexbox?

space-between does the following:

• It aligns the flexbox's first line with the main-start edge of the flexible container's main axis.
• It aligns the flexbox's last line with the main-end side of the flexible container's main axis.
• It creates equal spacing between each pair of lines between the first and last line.

align-content's space-between value creates equal spacing between each pair of lines between the first and last line

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

The snippet above used the space-between value to create equal spacing between each pair of lines between the first and last line.

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What Is align-content: space-around in CSS Flexbox?

space-around assigns equal spacing to each side of a flexible container's lines.

Therefore, the space before the first line and after the last one is half the width of the space between each pair of lines.

align-content's space-around value assigns equal spacing to each side of a flexbox's lines

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: space-around;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

The snippet above used the space-around value to assign equal spacing to each side of the flexible container's lines.

What Is align-content: space-evenly in CSS Flexbox?

space-evenly assigns even spacing to both ends of a flexible container and between its lines.

align-content's space-evenly value ensures even spacing on both ends of a flexbox and between its lines

Here's an example:

CSS

section {
  display: flex;
  flex-wrap: wrap;
  align-content: space-evenly;
  background-color: orange;
  margin: 10px;
  width: 90px;
  height: 500px;
}

div {
  border: 1px solid black;
  background-color: purple;
  color: white;
  width: 30px;
  height: 30px;
  padding: 10px;
  border-radius: 5px;
}

HTML

<section>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
</section>

Try Editing It

We used the space-evenly value to assign even spacing to both ends of the flexbox and between its lines.

Overview

This article discussed what a CSS align-content property is. We also discussed seven of its values.

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