To change the background color of SharePoint's ribbon, override the following
styles from the corev4.css file.
.ms-SpLinkButtonActive
{
background-color:orange !important;
}
.ms-welcomeMenu a:hover
{
background-color: orange
!important;
}
.ms-siteactionsmenu
.ms-siteactionsmenuhover
{
background-color: orange
!important;
color:#000000 !important;
}
.ms-cui-ribbonTopBars
{
background:
orange url() repeat-x !important;
padding-top:0px;
}
