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CodePen - Button hover effect

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

By @Sriparno08

Remix button

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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.

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

About CodePen - Button hover effect

CodePen - Button hover effect is an animated CSS button by @Sriparno08. Preview the interaction, customize its HTML, styles and JavaScript, or download the files with creator credit.

Effects and categories
Hover effects
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">
  <title>CodePen - Button hover effect</title>
  <link rel="stylesheet" href="style.css">

</head>

<body>

  <div class="container">
    <a class="button" href="#" style="--color:#1e9bff;">
      <span></span>
      <span></span>
      <span></span>
      <span></span>
      Button
    </a>
  </div>


</body>

</html>

CSS


@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;300;400;500;600;700;800;900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

.container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 120px;
  background: #27282c;
}

.button {
  position: relative;
  padding: 16px 30px;
  font-size: 1.5rem;
  color: var(--color);
  border: 2px solid rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  text-shadow: 0 0 15px var(--color);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  transition: 0.5s;
  z-index: 1;
}

.button:hover {
  color: #fff;
  border: 2px solid rgba(0, 0, 0, 0);
  box-shadow: 0 0 0px var(--color);
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color);
  z-index: -1;
  transform: scale(0);
  transition: 0.5s;
}

.button:hover::before {
  transform: scale(1);
  transition-delay: 0.5s;
  box-shadow: 0 0 10px var(--color),
    0 0 30px var(--color),
    0 0 60px var(--color);
}

.button span {
  position: absolute;
  background: var(--color);
  pointer-events: none;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--color),
    0 0 20px var(--color),
    0 0 30px var(--color),
    0 0 50px var(--color),
    0 0 100px var(--color);
  transition: 0.5s ease-in-out;
  transition-delay: 0.25s;
}

.button:hover span {
  opacity: 0;
  transition-delay: 0s;
}

.button span:nth-child(1),
.button span:nth-child(3) {
  width: 40px;
  height: 4px;
}

.button:hover span:nth-child(1),
.button:hover span:nth-child(3) {
  transform: translateX(0);
}

.button span:nth-child(2),
.button span:nth-child(4) {
  width: 4px;
  height: 40px;
}

.button:hover span:nth-child(1),
.button:hover span:nth-child(3) {
  transform: translateY(0);
}

.button span:nth-child(1) {
  top: calc(50% - 2px);
  left: -50px;
  transform-origin: left;
}

.button:hover span:nth-child(1) {
  left: 50%;
}

.button span:nth-child(3) {
  top: calc(50% - 2px);
  right: -50px;
  transform-origin: right;
}

.button:hover span:nth-child(3) {
  right: 50%;
}

.button span:nth-child(2) {
  left: calc(50% - 2px);
  top: -50px;
  transform-origin: top;
}

.button:hover span:nth-child(2) {
  top: 50%;
}

.button span:nth-child(4) {
  left: calc(50% - 2px);
  bottom: -50px;
  transform-origin: bottom;
}

.button:hover span:nth-child(4) {
  bottom: 50%;
}