<label class='button button--file'>
  <span>{{i18n 'Add Image'}}</span>
  <input class='button__input-file' type='file' name='image' accept="image/*">
</label>
<img src={{spinnerImage}} class='{{unless content.isUploading "hidden"}} js-upload_spinner'>
<img src={{content.data.image}} class='{{unless content.data.image "hidden"}} js-image_preview'>
<div class='form_preview'>
  <span class='image_sizes'>Images will be scaled to 320px wide</span>
</div>
