Click on ADMIN then on RESELLER SETTINGS.
Under BRANDING, click on the small edit icon on your right.
Click on the UPLOAD BACKGROUND button under change background image.
We recommend using an image with dimensions of 1920x1080
Please also make sure the background image filesize is not too big as this will slow down your login page load time.
If possible keep the file size to under 600KB
A png format is recommended but you can also save it in gif, jpg, jpeg formats.
After uploading the image, you can crop the image:
If you do not wish to crop the image, extend the boundary to edges of full image:
After you have chosen the boundary/cropping, click UPLOAD
After the image has uploaded you will see this message:
Next, click on the upload icon to save the changes.
Now visit the login page and you should see your background image: