Change background color submenu

Hello,
I bought: Plugin Maximenu CK Params v2 - Joomla 2.5
I have two problems that I can not solve. :oops:
1 - I want to change the color of the submenu
2 - I would like to increase the width of the submenu.
I enclose a picture.
Please can you tell me where should I look to do this?

Hi
look in the module "styles customization" options, you will find all options to do that
CEd

Please can I indicate the exact location of where to look?
I can not find the exact item to make the changes. :oops:

styles customization >> BUTTON edit the styles submenu >> Use background color : YES
select the color
save the popup
save the module
that's it