Slide In

The element fades in while drifting a short distance from one side into its final position.

Add a "Fade In Directional" entrance animation (also called fade in left, fade in right or fade in down) to [where].
The element should fade in while drifting a short distance from one side into its final position: quick and smooth, easing out as it lands, without bounce.
Play it once, and show the element in place without motion when the user prefers reduced motion (prefers-reduced-motion).

The element rises a short distance while fading in, as if settling into place.

Add a "Fade Up" entrance animation (also called fade-in-up or reveal on scroll) to [where].
Elements should rise slightly while fading in the first time they scroll into view: subtle and quick, not bouncy.
Animate once, and skip the motion when the user prefers reduced motion (prefers-reduced-motion).

The element shoots in from the side with a skew that straightens as it lands.

Add a "Light Speed In" entrance animation (also called lightspeed in) to [where].
The element should shoot in fast from the side, slanted as if moving at speed, then overcorrect the slant once and straighten as it lands: fast and dramatic, slowing at the end.
Keep it from causing a horizontal scrollbar while it is still off-screen, and show it in place without motion when the user prefers reduced motion (prefers-reduced-motion).

A side panel slides in from the left, right or top edge, pushing or overlaying content.

Add a "Drawer Slide" (also called off-canvas or a side sheet) to [where].
The panel should slide in from the side edge over the content while the page behind dims, quick and smoothly decelerating, and slide back out the same way when closed.
Keep keyboard focus inside the open drawer, close it with Escape or a click on the dimmed area, and return focus to the button that opened it.

The element glides out past a container edge and disappears.

Add a "Slide Out" exit animation (also called slide out up or slide out down) to [where].
The element should glide out past its container edge and disappear, staying fully opaque: quick, accelerating as it leaves.
Clip it at the container edge, hide it from keyboard and screen readers once it is out of view, and hide it instantly when the user prefers reduced motion (prefers-reduced-motion).

Items in a group animate one after another with a small delay, forming a wave instead of appearing all at once.

Add a "Stagger" animation (also called staggered animation or cascade) to [where].
Items should fade up one after another with a short, even delay, so the group appears as a quick wave instead of all at once.
Keep the whole sequence brief even for long lists, animate once when it scrolls into view, and skip the motion when the user prefers reduced motion (prefers-reduced-motion).

The element spins and scales up from a point while fading in.

Add a "Swirl In" entrance animation (also called swirl in forward) to [where].
The element should spin well past a full turn while growing from a single point to full size and fading in: fast at first, slowing as it settles.
Play it once on a single element rather than a whole group, and show it in place without motion when the user prefers reduced motion (prefers-reduced-motion).