This snippet is used in the following knowledge base article – https://kb.wpbeaverbuilder.com/article/164-change-header-logo-size-in-nav-bottom-layout
@media (min-width: 768px) {
/*Change logo wrapper width*/
.fl-page-header-primary .row > div:first-child {
width: 33.33%;
}
/*Change header content wrapper width*/
.fl-page-header-primary .row > div:last-child {
width: 66.67%;
}
}