By default, the platform does not have this option. You can use the following CSS code to adjust the header height.
Please follow the steps below:
1. Go to BuddyBoss > Theme Options
2. Under Custom Codes, enable CSS
3. Append the following:
.site-header,
.site-branding,
.header-aside > *,
.user-link,
.header-aside .notification-wrap,
.header-aside .notification-link,
.default-header .main-navigation,
.site-header .site-header-container.flex {
height: 35px !important;
}
.primary-menu > li {
line-height: 35px;
}
4. Save changes