• Click on Menu icon
  • Select Settings
  • Choose your preferred “Logo”, “Logo (Mobile)”, “Logo (Login)”, “Logo (Email)”, “Favicon”, “Logo (Dark)”
  • Click on the Update Button

Regarding Logo image size : You can upload images of any dimensions. Logo block is set to stay centered and shrink to fit as browser resized.

Note : Clear your browser & CDN (Cloudflare) cache once you have uploaded the images.