<p>It is possible to provide a CSS file to be used regardless of the theme
  set by the user.</p>
<table>
  <thead>
    <tr>
      <th></th>
      <th></th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>
        <img src="Custom app-wide CSS_image.png">
      </td>
      <td>Start by creating a new note and changing the note type to CSS</td>
    </tr>
    <tr>
      <td>
        <img src="1_Custom app-wide CSS_image.png">
      </td>
      <td>In the ribbon, press the “Owned Attributes” section and 