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How to Create CSS3 Border Animations Without SVG?

Mary-Kate Olsen
Mary-Kate OlsenOriginal
2024-11-01 17:04:30852browse

How to Create CSS3 Border Animations Without SVG?

CSS3 Border Animation Without SVG

The article referenced demonstrates an eye-catching dashed border animation created with SVG. While this animation can be visually appealing, it may not be suitable for all applications due to its SVG nature. This article explores an alternative approach to achieve a similar effect solely using CSS3, without requiring JavaScript or SVG.

To illustrate this approach, let's consider the following code excerpt:

<code class="css">.go {
  width: 900px;
  height: 200px;
  border: 8px dashed;
}

.go:hover {
  border-width: 12px;
}</code>
<code class="html"><div class="go">
  This is a div with dashed border animation.
</div></code>

In this example, we define a class .go with a dashed border. When the mouse hovers over the div, we dynamically increase the border width, creating a visually expanding effect. This basic animation can be enhanced using additional CSS techniques.

<code class="css">.go {
  width: 900px;
  height: 200px;
  border: 8px dashed black;
  animation: dash 2s infinite;
}

@keyframes dash {
  0% {
    border-width: 0px;
  }
  100% {
    border-width: 16px;
  }
}</code>

Here, we introduce CSS animations to create a continuous dashing effect. The @keyframes rule defines a series of states over time, and animation property specifies the animation's parameters. This animation produces a more visually engaging effect where the dashed border dynamically expands and contracts.

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