kinglozzer

You should be able to do it in YAML directly:

  1. SilverStripe\Admin\LeftAndMain:
  2. extra_requirements_css:
  3. - 'themes/mytheme/css/editor.css'
kinglozzer

You might be able to just load your editor.css globally (assuming no class names clash)

kinglozzer

If that’s correct, you’ll probably need to load a CSS file containing your @font-face rules but for the whole CMS rather than just TinyMCE

TheAmplifier

Yeah there are some inline styles to the font that are correct, but the font isn't loading.

kinglozzer

(if you right click+inspect the headings in the dropdown, you should be able to verify that)