A Pen by Nick Nance.

Bubble-loader.markdown

Bubble loader

A simple bubble loader.

Forked from Fitz's Pen Bubble loader.

A Pen by Nick Nance on CodePen.

License.

index.html

<!--
  Tweaked from http://tobiasahlin.com/spinkit/
  Take a look for other cool loaders.
-->

<div class="spinner" aria-busy="true">
  <span class="bubble1"></span>
  <span class="bubble2"></span>
  <span class="bubble3"></span>
</div>

style.scss

body {
  background-color:white;
}

.spinner {
  margin: 100px auto 0;
  width: 320px;
  text-align: center;
}

.spinner > span {
  width: 70px;
  height: 70px;
  background-color: transparent;
  border:16px solid grey;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.1s infinite ease-in-out;
  animation-fill-mode:both;		
}

.spinner .bubble1 {
  animation-delay: 0s;
}

.spinner .bubble2 {
  animation-delay: 0.15s
}

.spinner .bubble3 {
  animation-delay: 0.3s
}

@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity:0.2; }
  40% { transform: scale(1.0); opacity:1; }
}