The header of Twenty-Sixteen uses flexbox for alignment. You can set the flex direction of the site-header-main class to column to display the menu under the title/tagline/logo area:
.site-header-main {
flex-direction: column;
}
The header of Twenty-Sixteen uses flexbox for alignment. You can set the flex direction of the site-header-main class to column to display the menu under the title/tagline/logo area:
.site-header-main {
flex-direction: column;
}