Skin Color

Sure! This is my CSS for a different shade of blue and borders. I had to add the !important tag to make it work:

header.tc-header {
background-color: #000066;
background: none repeat scroll 0 0 #000066;
border-bottom: 0 solid #000066;
border-top: 0 solid #000066;
min-height: 45px;
}