Superfish block styling

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I am having some trouble styling the superfish block that I got from the Concrete5 website. Here is the site, it is currently on a testing server:http://jeremyo.mooo.com/.

What I want is to have the menu transparent like it is now but I need it to perfectly fit the blue background I have for it. I would also like to custimize the white lines. I am having trouble reading the CSS that came with it. I am not the best with CSS.

Thanks for your help!
Jeremy

Here is the CSS I have on the menu right now:

/*** ESSENTIAL STYLES ***/
.sf-menu, .sf-menu * {
   margin:         0;
   padding:      0;
   list-style:      none;
}
.sf-menu {
   line-height:   1.0;
}
.sf-menu ul {
   position:      absolute;
   top:         -999em;
   width:         10em; /* left offset of submenus need to match (see below) */
}
.sf-menu ul li {