Vulcan/packages/vulcan-core/lib/modules/components/Loading.jsx

import { registerComponent } from 'meteor/vulcan:lib';
import React from 'react';

const Loading = props => {
  return (
    <div className={`spinner ${props.className}`}>
      <div className="bounce1"></div>
      <div className="bounce2"></div>
      <div className="bounce3"></div>
    </div>
  )
}

Loading.displayName = 'Loading';

registerComponent('Loading', Loading);

export default Loading;