What is the difference between `transition` and `@keyframes`?

The primary difference is complexity: `transition` is for simple A-to-B state changes, while `@keyframes` is for complex, multi-step animations. Transitions require a trigger (like `:hover`), whereas keyframes can run automatically and loop infinitely on page load.

Can developers animate every single CSS property using `@keyframes`?

No, developers can only animate properties that have interpolable values, such as numbers, colors, and physical lengths. Properties that define binary or discrete states, such as `display: none` to `display: block` or `font-family`, cannot be mathematically interpolated by the CSS engine.

Why should developers use percentages instead of the `from` and `to` aliases in `@keyframes`?

Percentages (`0%`, `50%`, `100%`) allow developers to create unlimited intermediate waypoints, which are mathematically essential for engineering complex physical effects like bouncing, pulsing, or elastic motion. The `from` and `to` aliases restrict the animation to a basic, two-state timeline.

What is the difference between `transition` and `@keyframes`?

The primary difference is complexity: `transition` is for simple A-to-B state changes, while `@keyframes` is for complex, multi-step animations. Transitions require a trigger (like `:hover`), whereas keyframes can run automatically and loop infinitely on page load.

Can developers animate every single CSS property using `@keyframes`?

No, developers can only animate properties that have interpolable values, such as numbers, colors, and physical lengths. Properties that define binary or discrete states, such as `display: none` to `display: block` or `font-family`, cannot be mathematically interpolated by the CSS engine.

Why should developers use percentages instead of the `from` and `to` aliases in `@keyframes`?

Percentages (`0%`, `50%`, `100%`) allow developers to create unlimited intermediate waypoints, which are mathematically essential for engineering complex physical effects like bouncing, pulsing, or elastic motion. The `from` and `to` aliases restrict the animation to a basic, two-state timeline.

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Mastering Keyframes in CSS3: Styling & Design

Master CSS3 @keyframes to engineer complex, multi-step animations. Discover how to script fluid motion graphics and timeline-based UI transitions without JavaScript.

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Timeline Execution Base

Animation Sequencing. Master the @keyframes timeline to script complex, multi-step visual physics and advanced state transitions over time.

1Infinite Loops & Performance

Combine keyframes with 'animation-iteration-count: infinite' to create background patterns, loaders, and ambient effects. For optimal performance, animate only 'transform' and 'opacity' properties to ensure hardware-accelerated rendering by the GPU, preventing layout thrashing.