Animated Heart Like Button with HTML, CSS & JavaScript

01/09/2021

Contents

Demo

Full Screen

Code

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <title>Animated Heart Like Button</title>
    <link rel="stylesheet" type="text/css" href="https://demo.plantpot.works/assets/css/normalize.css">
    <link rel="stylesheet" href="https://use.typekit.net/opg3wle.css">
    <link rel="stylesheet" type="text/css" href="style.css">
  </head>
  <body>
    <div id="container">
      <div class="heart-like-button"></div>
      <h1>Animated<br>Heart Like Button</h1>
    </div>
  </body>
</html>

CSS

@charset "utf-8";
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
}
body {
  background-color: #fae5e5;
  font-family: futura-pt, sans-serif;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}
#container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  padding: 30px 15px;
}
.heart-like-button {
  position: relative;
  width: 160px;
  height: 130px;
}
.heart-like-button:before {
  position: absolute;
  top: 0;
  left: 80px;
  transform: rotate(-45deg);
  transform-origin: 0 100%;
  width: 80px;
  height: 125px;
  border-radius: 40px 40px 0 0;
  background-color: #574136;
  content: "";
  cursor: pointer;
  transition: background .4s;
}
.heart-like-button:after {
  position: absolute;
  top: 0;
  left: 0;
  transform: rotate(45deg);
  transform-origin :100% 100%;
  width: 80px;
  height: 125px;
  border-radius: 40px 40px 0 0;
  background-color: #574136;
  content: "";
  cursor: pointer;
  transition: background .4s;
}
h1 {
  margin: 0;
  color: #574136;
  font-size: 3rem;
  letter-spacing: 1px;
  text-align: center;
}
.heart-like-button.liked::before,
.heart-like-button.liked::after {
  background-color: #d65076;
}
.heart-like-button.liked {
  animation: liked .4s ease;
}
@keyframes liked {
  0% {
    transform: scale(.8);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
@media screen and (max-width: 480px) {
  #container {
    height: auto;
  }
  h1 {
    font-size: 2.5rem;
  }
}

JavaScript

const button = document.querySelector(".heart-like-button");

button.addEventListener("click", () => {
  if (button.classList.contains("liked")) {
    button.classList.remove("liked");
  } else {
    button.classList.add("liked");
  }
});