Create and Code

By default this is black, to change it to say, red - add the following code to Appearance > Customize > Additional CSS:

You can replace red by any #hex value.

@media only screen and (max-width: 991px) {
.ccfw-header-nav,
.toggle-container,
.mobile-menu a,
.search-toggle .glass,
.ccfw-primary-nav {
background: red;
}

.nav-toggle .bar,
.search-toggle .metal,
.search-toggle .handle {
background: #fff;
}
}