Your check-in interface is customizable, you can modify the following elements from the tab Check-in app > Check-in visual customization:

- The main color of the check-in 

- The logo of the check-in app: 

The maximum weight is 300KB. The recommended width is 160 px. 

- The background image:

The maximum weight is 700KB. The size of the image to be integrated is 1024 x 768 px.