MediaWiki:Foreground.css

/* Custom Foreground menubar colors */
.top-bar,
.top-bar-section ul,
.top-bar-section ul li.active > a,
.top-bar-section li a:not(.button),
.top-bar-section .has-form {
    background: #1a86b2;
    color: #000;
    height:68px !important;
}

.top-bar-section > ul > .divider,
.top-bar-section > ul > [role="separator"] {
    border-color: #ffe4b2;
}

/* Darker color for the hover over items */
.top-bar-section ul li.hover > a,
.top-bar-section ul li ul.dropdown li.hover > a,
.top-bar-section li.active:not(.has-form) a:hover:not(.button) {
    background: #ffae00;
}