A detailed introduction to the surrounding diffusion

Let's start with a simple example, for example: @keyframes hovertreemove{from {top:30px;} to {top:130px;}} You can create animations by @keyframes rules. The animation is created by gradually changing one set of CSS styles to another. You can change this set of CSS styles several times during the animation process. The time at which the change occurs is specified as a percentage, or by the keyword "from" and "to", equivalent to 0% and 100%. 0% is the start time of the animation, and the end time of the 100% animation. For best browser support, you should always define the 0% and 100% selectors. Below is the code for up and down movement: <! DOCTYPE Html>

1. Use the CSS3 to realize the code sharing of the animated effect of the circle spreading from the center to the surrounding

Summary: The idea of creating animations is to gradually change a set of CSS styles to another set of styles. You can change this set of CSS styles several times during the animation process. The time at which the change occurs is specified as a percentage, or by the keyword "from" and "to", equivalent to 0% and 100%. 0% is the start time of the animation, and the end time of the 100% animation. For best browser support, you should always define the 0% and 100% selectors.

2. Using pure CSS3 to realize the circular spread from the center to the surrounding animation effect code

Introduction: This article describes the use of pure CSS3 to achieve circular from the center to the surrounding diffuse animation effect code

"Related question and answer recommendation":

Tiger Olfactory network pictures using CSS3 transition, how the effect of the implementation of