I use Synology CloudStation to sync my files etc. (like Dropbox or Nextcloud), but there is a bug with the Linux version of the client whereby the system tray is MASSIVE, and just looks crap on the panel, example:
With a little help from GreenMartian from these here forums, I was able to work around the issue and get something that looks pretty decent now.
I wrote a guide on how to fix the issue on my blog. If anyone is having the same issue, this guide should get your sorted.