Theme Name This is the name that is used to display the theme in the theme list.

Folder Name This is the name of the folder where your CSS-files are placed under assets/css.

Theme Mode Light Dark This defines wherever the theme is a light or a dark one.

Header Logo This is the name of the file which is used as small Logo in the header placed in assets/logo.
Only PNG files with a size ratio of 1:1 are allowed.

Main Logo This is the name of the file which is used as big Logo in the login screen placed in assets/logo.
Only PNG files with a size ratio of 1:1 are allowed.