Hi there!
Thanks for contacting us.
Please use the following code in your custom CSS:
#sp-header.menu-fixed {
background: rgba(53,16,51,0.9);
}
#sp-header.menu-fixed .sp-megamenu-parent > li > a, .sp-megamenu-parent > li > span {
color: #fff!important;
}
#sp-header.menu-fixed .sp-megamenu-parent >li.active>a, .sp-megamenu-parent >li:hover>a {
color: #fd5238 !important;
}
Note: Path towards custom CSS: Extensions>Templates>Styles> Click on your current default template name then choose Template Options. Then find custom CSS within the custom code.
Best Regards