flex-direction

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The flex-direction CSS property sets how flex items are placed in the flex container defining the main axis and the direction (normal or reversed).

{{EmbedInteractiveExample("pages/css/flex-direction.html")}}

Note that the values row and row-reverse are affected by the directionality of the flex container. If its dir attribute is ltr, row represents the horizontal axis oriented from the left to the right, and row-reverse from the right to the left; if the dir attribute is rtl, row represents the axis oriented from the right to the left, and row-reverse from the left to the right.

Syntax

/* The direction text is laid out in a line */
flex-direction: row;

/* Like <row>, but reversed */
flex-direction: row-reverse;

/* The direction in which lines of text are stacked */
flex-direction: column;

/* Like <column>, but reversed */
flex-direction: column-reverse;

/* Global values */
flex-direction: inherit;
flex-direction: initial;
flex-direction: revert;
flex-direction: revert-layer;
flex-direction: unset;

Values

The following values are accepted:

row
- : The flex container’s main-axis is defined to be the same as the text direction. The main-start and main-end points are the same as the content direction.
row-reverse
- : Behaves the same as row but the main-start and main-end points are opposite to the content direction.
column
- : The flex container’s main-axis is the same as the block-axis. The main-start and main-end points are the same as the before and after points of the writing-mode.
column-reverse
- : Behaves the same as column but the main-start and main-end are opposite to the content direction.

Accessibility

Using the flex-direction property with values of row-reverse or column-reverse will create a disconnect between the visual presentation of content and DOM order. This will adversely affect users experiencing low vision navigating with the aid of assistive technology such as a screen reader. If the visual (CSS) order is important, then screen reader users will not have access to the correct reading order.

Formal definition

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Formal syntax

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Examples

Reversing flex container columns and rows

HTML

<h4>This is a Column-Reverse</h4>
<div id="col-rev" class="content">
  <div class="box red">A</div>
  <div class="box lightblue">B</div>
  <div class="box yellow">C</div>
</div>
<h4>This is a Row-Reverse</h4>
<div id="row-rev" class="content">
  <div class="box red">A</div>
  <div class="box lightblue">B</div>
  <div class="box yellow">C</div>
</div>

CSS

.content {
  width: 200px;
  height: 200px;
  border: 1px solid #c3c3c3;
  display: flex;
}

.box {
  width: 50px;
  height: 50px;
}

#col-rev {
  flex-direction: column-reverse;
}

#row-rev {
  flex-direction: row-reverse;
}

.red {
  background-color: red;
}

.lightblue {
  background-color: lightblue;
}

.yellow {
  background-color: yellow;
}

Result

{{EmbedLiveSample('Reversing_flex_container_columns_and_rows', '', '550')}}

Specifications

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Browser compatibility

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