Personalise your site by adding logos:
Go to the Refined Administration.
Click Sites in the left-hand menu.
Pick the site you want to work with.
Go to the Configuration tab.
Here, you can add the following:
Site logo. Shown at the top of all your site’s pages.
Favicon. Shown in the user’s browser tab.
App icon. Visible when a user adds a link on the home screen of their mobile device.
The maximum file size is 2 MB. You can upload images in the formats .ico, .png, and .gif.