CSS Animation Tutorial: Teach you step-by-step to implement the lightning ball special effect

CSS Animation Tutorial: Teach you step-by-step to implement the lightning ball special effect

In web design, animation effects can add a vivid feeling to the page and attract the user's attention. CSS animation is one of the simple and effective ways to achieve these effects. This article will introduce how to create a lightning ball effect through CSS to make your page more interesting and dynamic.

First, we need to prepare some basic HTML structures. Here is a simple example:

<div class="container">
   <div class="ball"></div>
</div>

This structure will contain a container element and a sphere element. Next, we need to add styles to these elements.

First, we add some styles to the container element:

.container {
   width: 500px;
   height: 500px;
   position: relative;
   background-color: #000;
   overflow: hidden;
}

Here, we set the container to a square area with a width and height of 500px, use relative positioning, and set its background color to black. In addition, we will also set its overflow property to hidden to ensure that the spherical element is not visible when it exceeds the scope of the container.

Next, we add styles to the spherical element:

.ball {
   width: 100px;
   height: 100px;
   border-radius: 50%;
   position: absolute;
   background-color: #f00;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   animation: lightning 2s infinite;
}

Here, we set the spherical element to a circle with a width and height of 100px, and use relative positioning to the container. We then set its background color to red and its position to be at the horizontal and vertical center of the container. Use the transform attribute and the translate function to center the element on itself.

In addition, we also added an animation called lightning to the spherical element. This animation will play in an infinite loop within 2 seconds. The following is the specific definition of animation:

@keyframes lightning {
   0% {
      box-shadow: 0 0 5px 5px #fff, 0 0 10px 10px #fff;
   }
   50% {
      box-shadow: 0 0 20px 20px #fff, 0 0 30px 30px #fff;
   }
   100% {
      box-shadow: 0 0 5px 5px #fff, 0 0 10px 10px #fff;
   }
}

Here, we use the @keyframes keyword to define the key frames of the animation. In the 0%, 50% and 100% keyframes, we set the shadow effect of the spherical element respectively. By changing the size and color of the shadow, we can simulate the effect of lightning.

Finally, we only need to link the HTML file to the CSS file and open the HTML file in the browser to see the lightning ball special effect that has been implemented.

In this CSS animation tutorial, we use simple code examples to teach you step by step how to implement a lightning ball special effect. I hope this article will be helpful to developers who want to learn CSS animation effects. With constant experimentation and practice, you can also create more unique and interesting animation effects. Let’s have fun bringing together web design!

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