Transform & Animation

CSS animation-duration Property

Sets the length of time an animation takes to complete one cycle

Syntax

CSS
animation-duration: <time>;

Values

ValueDescription
0sNo animation
0.3s300ms animation
1sOne second
2sTwo seconds

Example

CSS
.spinner {
  animation-name: spin;
  animation-duration: 1s;
  animation-iteration-count: infinite;
}

Understanding CSS animation-duration

The CSS animation-duration property sets the length of time an animation takes to complete one cycle. As part of the Transform & Animation module in CSS, it is one of the most commonly used properties for controlling the visual presentation of web pages.

You can set animation-duration to values such as 0s, 0.3s, 1s, 2s, 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 animation-duration property include responsive web design, component-based layouts, and creating visually consistent interfaces across devices. It works closely with related properties like animation, animation-timing-function, animation-delay to achieve complex styling effects. Understanding how these properties interact helps you write cleaner, more maintainable stylesheets.

Browser support for animation-duration 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.animationDuration or the CSS custom properties (variables) approach for theming.

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