Here you may change the appearance of your base.
You can upload your logo and favicon, as well as pick a theme. You can also change a few pre-defined colors to match your branding. If you know CSS, you can also apply your custom styles.
There are currently two themes available: "Default" and "Documentation". The documentation theme is the one you are currently looking at. This is an example of a "Default"-theme: https://hilfe.igotcha.de