Double-bounce spinner as a Polymer element
$ bower install double-bounce --save
Import Web Components polyfill:
<script src="../platform/platform.js"></script>
Import the element:
<link rel="import" href="../double-bounce/double-bounce.html">
<double-bounce></double-bounce>
For example to change the dimensions:
double-bounce::shadow .spinner {
height: 100px;
width: 100px;
}