Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/OpenAudio_ArduinoLibrary/src/commit/81492cc5aca290d95cd6b681729302148cb7e109/docs/font-awesome You should set ROOT_URL correctly, otherwise the web may not work correctly.
 
 
OpenAudio_ArduinoLibrary/docs/font-awesome
Chip Audette 44057d28ea Adding GUI to docs 8 years ago
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css Adding GUI to docs 8 years ago
fonts Adding GUI to docs 8 years ago