/* Ribbon background */
body #s4-ribbonrow 
{
    background-color: #000000;
}

/* Site Actions button */ 
.ms-siteactionsmenuinner
{
    background-color: #000000;
    border-color: #494949 #303030 #303030;
}

.ms-siteactionsmenuhover 
{
    background-color: #000000;
    border-color: #929292;
}

/* User menu button */
.ms-welcomeMenu.ms-SpLinkButtonActive 
{
    background-color: #000000;
    border-color: #929292;
}