Preloader
If you have content that will take a long time to load, you should give the user feedback. For this reason we provide a number activity + progress indicators.
Circular
There are 4 colors and 3 sizes of circular spinners. The spinner should be nested in a preloader-wrapper
    div. The default size is medium, but you can add the classes big or small to adjust the size accordingly. You can add the classes spinner-red-only,
    spinner-blue-only, spinner-yellow-only
    and spinner-green-only. You can also leave this class as just spinner-layer
    and it will be set to the $spinner-default-color variable in our variables.scss
    file.
  <div class="preloader-wrapper big active">
    <div class="spinner-layer spinner-blue-only">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
  </div>
  <div class="preloader-wrapper active">
    <div class="spinner-layer spinner-red-only">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
  </div>
  <div class="preloader-wrapper small active">
    <div class="spinner-layer spinner-green-only">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
  </div>
          Big
Normal
Small
  <div class="preloader-wrapper big active">
    <div class="spinner-layer spinner-blue">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
    <div class="spinner-layer spinner-red">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
    <div class="spinner-layer spinner-yellow">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
    <div class="spinner-layer spinner-green">
      <div class="circle-clipper left">
        <div class="circle"></div>
      </div><div class="gap-patch">
        <div class="circle"></div>
      </div><div class="circle-clipper right">
        <div class="circle"></div>
      </div>
    </div>
  </div>