Grub Customizer is a great application, it allows you to add or edit menu entry and change the default OS boot with GUI. It also allows you to customize the look of your grub menu including changing the background and the fonts of your entry.
How to Install Grub...
Change key Super that launches dash in Ubuntu
First, disable the "Cmd" button, which likely corresponds to the Super (also known as Windows) key on other systems. This can be achieved with the gsettings terminal command:
