Flexbox utilities
Flex utilities turn an element into a flexible row or column and control alignment and spacing.
In this page:
Syntax
<div class="d-flex flex-row justify-content-between align-items-center">
<div>item</div>
<div>item</div>
</div>Flexbox utilities
Add .d-flex to make a flex container. Direction is set with .flex-row or .flex-column, main-axis alignment with .justify-content-*, cross-axis alignment with .align-items-*, and wrapping with .flex-wrap.
Children can use .flex-fill, .flex-grow-1, .align-self-* and .ms-auto.
Note:
justify-content controls the main axis, align-items the cross axis.
Example: Flexbox utilities
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body class="p-3">
<div class="container">
<div class="d-flex justify-content-between align-items-center bg-light border p-2 mb-2">
<span>Left</span><span>Centre-ish</span><span>Right</span>
</div>
<div class="d-flex flex-column align-items-end bg-light border p-2" style="height:8rem"><span>Item 1</span><span class="mt-auto">Pushed to bottom</span></div>
</div>
</body>
</html>Live Example
Related Topics
Common Mistakes
- Forgetting d-flex
- Mixing up justify and align
- Expecting flex utilities on children to work without a container
Chapter Summary
- d-flex creates a flex container
- flex-row and flex-column set direction
- justify-content-* and align-items-* align
- flex-wrap allows wrapping
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