/* Add here all your CSS customizations */
<pre>
/* Nav/Header background when not sticky */
html:not(.sticky-header-active) #header.header-semi-transparent-dark .header-body {
    background: red !important;
}

/* Nav/Header background when sticky active */
#header .header-body {
    background: black !important;
}

/* Footer background */
#footer {
    background: black !important;
}

/* Mobile Menu Toggle Button */
#header .header-btn-collapse-nav {
    background: black !important;
}
</pre>