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Flex direction

The flex direction class sets the flex-direction property. It defines the main axis along which the flex items are placed. This determines if their layout direction is horizontal (row) or vertical (column). Overview
CSS Shortcut class Applied style 
flex-col
 
flex-direction: column;
 
flex-col-reverse
 
flex-direction: column-reverse;
 
flex-row
 
flex-direction: row;
 
flex-row-reverse
 
flex-direction: row-reverse;

Examples

Column
flex-col

These items are placed vertically, starting with the first item at the top.

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<div class="d-flex flex-col">
  <p>1</p>
  <p>2</p>
  <p>3</p>
</div>

Reverse column
flex-col-reverse

These items are placed vertically, starting with the last item at the top.

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<div class="d-flex flex-col-reverse">
  <p>1</p>
  <p>2</p>
  <p>3</p>
</div>

Row
flex-row

These items are placed horizontally, starting with the first item on the left.

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<div class="d-flex flex-row">
  <p>1</p>
  <p>2</p>
  <p>3</p>
</div>

Reverse row
flex-row-reverse

These items are placed horizontally, starting with the last item on the left.

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<div class="d-flex flex-row-reverse">
  <p>1</p>
  <p>2</p>
  <p>3</p>
</div>
Conditional styling Apply this style to specific screen sizes Use a responsive layout prefix to apply this class only to a specified screen size. The available breakpoints are:
  • xs: > 480px
  • sm: > 640px
  • md: > 768px
  • lg: > 1024px
  • xl: > 1280px
<div class="xs:flex-col ...">
  ...
</div>
Learn more about the responsive layout prefix. 2025-10-01