CSS align-content Property
Distributes space between and around content items along the cross axis of a flex container
Syntax
align-content: stretch | flex-start | flex-end | center | space-between | space-around;Values
| Value | Description |
|---|---|
| stretch | Lines stretch to fill remaining space (default) |
| flex-start | Lines packed to the start |
| flex-end | Lines packed to the end |
| center | Lines centered |
| space-between | Equal space between lines |
| space-around | Equal space around lines |
Example
.multi-line {
display: flex;
flex-wrap: wrap;
align-content: flex-start;
}Understanding CSS align-content
The CSS align-content property distributes space between and around content items along the cross axis of a flex container. As part of the Flexbox module in CSS, it is one of the most commonly used properties for controlling the visual presentation of web pages.
You can set align-content to values such as stretch, flex-start, flex-end, center, among others. Each value changes how the browser renders the affected element, giving you fine-grained control over your page layout and design. Choosing the right value depends on the specific design requirements of your project.
Common use cases for the align-content property include responsive web design, component-based layouts, and creating visually consistent interfaces across devices. It works closely with related properties like justify-content, align-items, flex-wrap to achieve complex styling effects. Understanding how these properties interact helps you write cleaner, more maintainable stylesheets.
Browser support for align-content is excellent across all modern browsers including Chrome, Firefox, Safari, and Edge. For older browsers, consider using fallback values or progressive enhancement strategies. The property can also be set dynamically via JavaScript using element.style.alignContent or the CSS custom properties (variables) approach for theming.
Related Properties
justify-contentDefines how the browser distributes space between and around flex items along the main axis
align-itemsDefines the default behavior for how flex items are aligned along the cross axis
flex-wrapControls whether flex items are forced onto one line or can wrap onto multiple lines
place-contentShorthand for align-content and justify-content
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