What is a CSS animation?

Animations consist of two components, a style describing the CSS animation and a set of keyframes that indicate the start and end states of the animation's style, as well as possible intermediate waypoints. There are three key advantages to CSS animations over traditional script-driven animation techniques:

How does opacity effect work?

This technique takes the delay off of the animation, so that it starts running immediately. However, the opacity won't really change until about 66% into the animation. Because the animation runs for 3 seconds, it gives the effect of a delay for 2 seconds and fade in for 1 second.

How do I customize a CSS animation in animista?

Let's take a look at the sleekest and easiest-to-use options. Animista is a free application that allows you to customize pre-designed CSS animations. You can click on an animation type at the top of the screen (this will be your animation name), then specify all the animation sub-properties in the left sidebar.

What is W3 animate opacity?

The w3-animate-bottom class slides in an element from the bottom (from -300px to 0): The w3-animate-left class slides in an element from left (-300px to 0): The w3-animate-right class slides in an element from the right (-300px to 0): The w3-animate-opacity class animates an element's opacity from 0 to 1 in 0.8 seconds.