Lovely Heart Beat Effect Using Pure CSS3

November 27, 2013.6 min read

Hi, guys. As I promised in my previous post today I'm gonna share you another cool CSS3 effect. In this tutorial we will use CSS3 animation, transition, transform property to create this effect. Let's just start.

Demo download

Let's first create a HTML first.

index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>CSS3 Heart Beat:techumber</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <h1 class="logo"><a href="//techumber.com">Techumber</a></h1>
    <figure class="heart-wrap">
      <figure class="heart"></figure>
    </figure>
  </body>
</html>

We are not using any images for our heart symbol. We will create the heart symbol in CSS. Let's create a style.css file and start adding code.

* {
  border: 0;
  margin: 0;
  padding: 0;
  webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -o-box-sizing: border-box;
  -box-sizing: border-box;
}
body {
  background: #1a1a1a;
}
.heart-wrap {
  position: relative;
  display: block;
  width: 300px;
  height: 300px;
  margin: 0 auto;
  z-index: 0;
  border: 1px solid #aa5edf;
  border-radius: 50%;
}

Here we have basic reset and heart-wrap is used as heart holder. Now let's create our actual heart class.

.heart {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 90px;
  margin-top: -35px;
  margin-left: -50px;
  z-index: 5;
  -webkit-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -moz-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -ms-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -o-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -webkit-animation: beat 1s infinite;
  -o-animation: beat 1s infinite;
  animation: beat 1s infinite;
}

.heart:before,
.heart:after {
  position: absolute;
  content: "";
  left: 50px;
  top: 0;
  width: 50px;
  height: 80px;
  background: #aa5edf;
  border-radius: 50px 50px 0 0;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-transform-origin: 0 100% 0;
  -moz-transform-origin: 0 100% 0;
  -ms-transform-origin: 0 100% 0;
  -o-transform-origin: 0 100% 0;
  transform-origin: 0 100% 0;
}
.heart:after {
  left: 0;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transform-origin: 100% 100% 0;
  -moz-transform-origin: 100% 100% 0;
  -ms-transform-origin: 100% 100% 0;
  -o-transform-origin: 100% 100% 0;
  transform-origin: 100% 100% 0;
}

By using CSS pseudo class we got it as.

If you observer in heart class we have added a css3 animation of keyframe name beat. Now, let's create that animation keyframes.

@-webkit-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-moz-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-ms-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-o-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}

we have created beat keyframe. Finally, Combile all css

style.css

* {
  border: 0;
  margin: 0;
  padding: 0;
  webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -o-box-sizing: border-box;
  -box-sizing: border-box;
}
body {
  background: #1a1a1a;
}
.logo {
  text-align: center;
  margin: 50px 0;
  font-size: 170px;
  font-family: monospace;
}
.logo a {
  color: #fff;
}
.heart-wrap {
  position: relative;
  display: block;
  width: 300px;
  height: 300px;
  margin: 0 auto;
  z-index: 0;
  border: 1px solid #aa5edf;
  border-radius: 50%;
}
.heart {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 90px;
  margin-top: -35px;
  margin-left: -50px;
  z-index: 5;
  -webkit-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -moz-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -ms-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -o-transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0s;
  -webkit-animation: beat 1s infinite;
  -o-animation: beat 1s infinite;
  animation: beat 1s infinite;
}

.heart:before,
.heart:after {
  position: absolute;
  content: "";
  left: 50px;
  top: 0;
  width: 50px;
  height: 80px;
  background: #aa5edf;
  border-radius: 50px 50px 0 0;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-transform-origin: 0 100% 0;
  -moz-transform-origin: 0 100% 0;
  -ms-transform-origin: 0 100% 0;
  -o-transform-origin: 0 100% 0;
  transform-origin: 0 100% 0;
}
.heart:after {
  left: 0;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transform-origin: 100% 100% 0;
  -moz-transform-origin: 100% 100% 0;
  -ms-transform-origin: 100% 100% 0;
  -o-transform-origin: 100% 100% 0;
  transform-origin: 100% 100% 0;
}

@-webkit-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-moz-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-ms-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@-o-keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
@keyframes beat {
  0% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  20% {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
  }
  21% {
    -webkit-transform: scale(1.9);
    -moz-transform: scale(1.9);
    -ms-transform: scale(1.9);
    -o-transform: scale(1.9);
    transform: scale(1.9);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}

Hope you like it. Thanks......