Live preview

Preview settings

BackgroundViewportZoom

Disabled state Reduce motion

Changes appear as you type. Use Tab to test keyboard focus.

⌘ / Ctrl + S saves locally

Animating button

HTML, CSS or Tailwind, and a little JavaScript. One button or a group of up to six.

By @harshita-2003

Remix button

Button submission checks

Checks will appear after the preview updates.

Buttons only: no full pages, forms, cards or navigation. Put scripts in the JavaScript tab. Tailwind uses utilities from HTML and JavaScript; use complete class names. Custom CSS supports plain CSS, without @apply, imports or plugins.

Accessibility quick check

Waiting for the rendered preview…

Try Tab, Enter and Space in the preview. Check the focus ring, hover and disabled states, then enable Reduce motion. These checks are guidance, not an accessibility certification.

Explore freely here. Remix to publish your version with credit to the creator.

About Animating button

Animating button is an animated CSS button by @harshita-2003. Preview the interaction, customize its HTML, styles and JavaScript, or download the files with creator credit.

Effects and categories: Hover effects, Icon, Animated
Using this example: Copy the HTML or download index.html, style.css and app.js. Test keyboard focus, motion and contrast in your own project.

Usage, Tailwind and licensing questions

Read the source files

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Animating button</title>

    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="voltage-button">
  
        <button>Button</button>
        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px" viewBox="0 0 234.6 61.3" preserveAspectRatio="none" xml:space="preserve">
       
          <filter id="glow">
            <feGaussianBlur class="blur" result="coloredBlur" stdDeviation="2"></feGaussianBlur>
            <feTurbulence type="fractalNoise" baseFrequency="0.075" numOctaves="0.3" result="turbulence"></feTurbulence>
        <feDisplacementMap in="SourceGraphic" in2="turbulence" scale="30" xChannelSelector="R" yChannelSelector="G" result="displace"></feDisplacementMap>
            <feMerge>
              <feMergeNode in="coloredBlur"></feMergeNode>
              <feMergeNode in="coloredBlur"></feMergeNode>
              <feMergeNode in="coloredBlur"></feMergeNode>
              <feMergeNode in="displace"></feMergeNode>
              <feMergeNode in="SourceGraphic"></feMergeNode>
            </feMerge>
          </filter>
          <path class="voltage line-1" d="m216.3 51.2c-3.7 0-3.7-1.1-7.3-1.1-3.7 0-3.7 6.8-7.3 6.8-3.7 0-3.7-4.6-7.3-4.6-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-0.9-7.3-0.9-3.7 0-3.7-2.7-7.3-2.7-3.7 0-3.7 7.8-7.3 7.8-3.7 0-3.7-4.9-7.3-4.9-3.7 0-3.7-7.8-7.3-7.8-3.7 0-3.7-1.1-7.3-1.1-3.7 0-3.7 3.1-7.3 3.1-3.7 0-3.7 10.9-7.3 10.9-3.7 0-3.7-12.5-7.3-12.5-3.7 0-3.7 4.6-7.3 4.6-3.7 0-3.7 4.5-7.3 4.5-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-10-7.3-10-3.7 0-3.7-0.4-7.3-0.4-3.7 0-3.7 2.3-7.3 2.3-3.7 0-3.7 7.1-7.3 7.1-3.7 0-3.7-11.2-7.3-11.2-3.7 0-3.7 3.5-7.3 3.5-3.7 0-3.7 3.6-7.3 3.6-3.7 0-3.7-2.9-7.3-2.9-3.7 0-3.7 8.4-7.3 8.4-3.7 0-3.7-14.6-7.3-14.6-3.7 0-3.7 5.8-7.3 5.8-2.2 0-3.8-0.4-5.5-1.5-1.8-1.1-1.8-2.9-2.9-4.8-1-1.8 1.9-2.7 1.9-4.8 0-3.4-2.1-3.4-2.1-6.8s-9.9-3.4-9.9-6.8 8-3.4 8-6.8c0-2.2 2.1-2.4 3.1-4.2 1.1-1.8 0.2-3.9 2-5 1.8-1 3.1-7.9 5.3-7.9 3.7 0 3.7 0.9 7.3 0.9 3.7 0 3.7 6.7 7.3 6.7 3.7 0 3.7-1.8 7.3-1.8 3.7 0 3.7-0.6 7.3-0.6 3.7 0 3.7-7.8 7.3-7.8h7.3c3.7 0 3.7 4.7 7.3 4.7 3.7 0 3.7-1.1 7.3-1.1 3.7 0 3.7 11.6 7.3 11.6 3.7 0 3.7-2.6 7.3-2.6 3.7 0 3.7-12.9 7.3-12.9 3.7 0 3.7 10.9 7.3 10.9 3.7 0 3.7 1.3 7.3 1.3 3.7 0 3.7-8.7 7.3-8.7 3.7 0 3.7 11.5 7.3 11.5 3.7 0 3.7-1.4 7.3-1.4 3.7 0 3.7-2.6 7.3-2.6 3.7 0 3.7-5.8 7.3-5.8 3.7 0 3.7-1.3 7.3-1.3 3.7 0 3.7 6.6 7.3 6.6s3.7-9.3 7.3-9.3c3.7 0 3.7 0.2 7.3 0.2 3.7 0 3.7 8.5 7.3 8.5 3.7 0 3.7 0.2 7.3 0.2 3.7 0 3.7-1.5 7.3-1.5 3.7 0 3.7 1.6 7.3 1.6s3.7-5.1 7.3-5.1c2.2 0 0.6 9.6 2.4 10.7s4.1-2 5.1-0.1c1 1.8 10.3 2.2 10.3 4.3 0 3.4-10.7 3.4-10.7 6.8s1.2 3.4 1.2 6.8 1.9 3.4 1.9 6.8c0 2.2 7.2 7.7 6.2 9.5-1.1 1.8-12.3-6.5-14.1-5.5-1.7 0.9-0.1 6.2-2.2 6.2z" fill="transparent" stroke="#fff"></path>
          <path class="voltage line-2" d="m216.3 52.1c-3 0-3-0.5-6-0.5s-3 3-6 3-3-2-6-2-3 1.6-6 1.6-3-0.4-6-0.4-3-1.2-6-1.2-3 3.4-6 3.4-3-2.2-6-2.2-3-3.4-6-3.4-3-0.5-6-0.5-3 1.4-6 1.4-3 4.8-6 4.8-3-5.5-6-5.5-3 2-6 2-3 2-6 2-3 1.6-6 1.6-3-4.4-6-4.4-3-0.2-6-0.2-3 1-6 1-3 3.1-6 3.1-3-4.9-6-4.9-3 1.5-6 1.5-3 1.6-6 1.6-3-1.3-6-1.3-3 3.7-6 3.7-3-6.4-6-6.4-3 2.5-6 2.5h-6c-3 0-3-0.6-6-0.6s-3-1.4-6-1.4-3 0.9-6 0.9-3 4.3-6 4.3-3-3.5-6-3.5c-2.2 0-3.4-1.3-5.2-2.3-1.8-1.1-3.6-1.5-4.6-3.3s-4.4-3.5-4.4-5.7c0-3.4 0.4-3.4 0.4-6.8s2.9-3.4 2.9-6.8-0.8-3.4-0.8-6.8c0-2.2 0.3-4.2 1.3-5.9 1.1-1.8 0.8-6.2 2.6-7.3 1.8-1 5.5-2 7.7-2 3 0 3 2 6 2s3-0.5 6-0.5 3 5.1 6 5.1 3-1.1 6-1.1 3-5.6 6-5.6 3 4.8 6 4.8 3 0.6 6 0.6 3-3.8 6-3.8 3 5.1 6 5.1 3-0.6 6-0.6 3-1.2 6-1.2 3-2.6 6-2.6 3-0.6 6-0.6 3 2.9 6 2.9 3-4.1 6-4.1 3 0.1 6 0.1 3 3.7 6 3.7 3 0.1 6 0.1 3-0.6 6-0.6 3 0.7 6 0.7 3-2.2 6-2.2 3 4.4 6 4.4 3-1.7 6-1.7 3-4 6-4 3 4.7 6 4.7 3-0.5 6-0.5 3-0.8 6-0.8 3-3.8 6-3.8 3 6.3 6 6.3 3-4.8 6-4.8 3 1.9 6 1.9 3-1.9 6-1.9 3 1.3 6 1.3c2.2 0 5-0.5 6.7 0.5 1.8 1.1 2.4 4 3.5 5.8 1 1.8 0.3 3.7 0.3 5.9 0 3.4 3.4 3.4 3.4 6.8s-3.3 3.4-3.3 6.8 4 3.4 4 6.8c0 2.2-6 2.7-7 4.4-1.1 1.8 1.1 6.7-0.7 7.7-1.6 0.8-4.7-1.1-6.8-1.1z" fill="transparent" stroke="#fff"></path>
        </svg>
        <div class="dots">
          <div class="dot dot-1"></div>
          <div class="dot dot-2"></div>
          <div class="dot dot-3"></div>
          <div class="dot dot-4"></div>
          <div class="dot dot-5"></div>
        </div>
      </div>
</body>
</html>

CSS


.voltage-button {
    position: relative;
    margin:20rem;
    text-align: center;
  }
  
  .voltage-button button {
    color: white;
    background: #0D1127;
    padding: 1rem 3rem 1rem 3rem;
    border-radius: 5rem;
    border: 5px solid #5978F3;
    font-size: 1.2rem;
    line-height: 1em;
    letter-spacing: 0.075em;
    transition: background 0.3s;
  }
  
  .voltage-button button:hover {
    cursor: pointer;
    background: #0F1C53;
  }
  
  .voltage-button button:hover + svg, .voltage-button button:hover + svg + .dots {
    opacity: 1;
  }
  
  .voltage-button svg {
    display: block;
    position: absolute;
    top: -0.75em;
    left: -0.25em;
    width: calc(100% + 0.5em);
    height: calc(100% + 1.5em);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
    transition-delay: 0.1s;
  }
  
  .voltage-button svg path {
    stroke-dasharray: 100;
    filter: url("#glow");
  }
  
  .voltage-button svg path.line-1 {
    stroke: #f6de8d;
    stroke-dashoffset: 0;
    animation: spark-1 3s linear infinite;
  }
  
  .voltage-button svg path.line-2 {
    stroke: #6bfeff;
    stroke-dashoffset: 500;
    animation: spark-2 3s linear infinite;
  }
  
  .voltage-button .dots {
    opacity: 0;
    transition: opacity 0.3s;
    transition-delay: 0.4s;
  }
  
  .voltage-button .dots .dot {
    width: 1rem;
    height: 1rem;
    background: white;
    border-radius: 100%;
    position: absolute;
    opacity: 0;
  }
  
  .voltage-button .dots .dot-1 {
    top: 0;
    left: 20%;
    animation: fly-up 3s linear infinite;
  }
  
  .voltage-button .dots .dot-2 {
    top: 0;
    left: 55%;
    animation: fly-up 3s linear infinite;
    animation-delay: 0.5s;
  }
  
  .voltage-button .dots .dot-3 {
    top: 0;
    left: 80%;
    animation: fly-up 3s linear infinite;
    animation-delay: 1s;
  }
  
  .voltage-button .dots .dot-4 {
    bottom: 0;
    left: 30%;
    animation: fly-down 3s linear infinite;
    animation-delay: 2.5s;
  }
  
  .voltage-button .dots .dot-5 {
    bottom: 0;
    left: 65%;
    animation: fly-down 3s linear infinite;
    animation-delay: 1.5s;
  }
  
  @keyframes spark-1 {
    to {
      stroke-dashoffset: -1000;
    }
  }
  
  @keyframes spark-2 {
    to {
      stroke-dashoffset: -500;
    }
  }
  
  @keyframes fly-up {
    0% {
      opacity: 0;
      transform: translateY(0) scale(0.2);
    }
  
    5% {
      opacity: 1;
      transform: translateY(-1.5rem) scale(0.4);
    }
  
    10%, 100% {
      opacity: 0;
      transform: translateY(-3rem) scale(0.2);
    }
  }
  
  @keyframes fly-down {
    0% {
      opacity: 0;
      transform: translateY(0) scale(0.2);
    }
  
    5% {
      opacity: 1;
      transform: translateY(1.5rem) scale(0.4);
    }
  
    10%, 100% {
      opacity: 0;
      transform: translateY(3rem) scale(0.2);
    }
  }