<b-nav-text>
Navbars may contain bits of text with the help of
<b-nav-text>. This component adjusts vertical
alignment and horizontal spacing for strings of text.
<b-nav-item-dropdown>
For <b-nav-item-dropdown> usage, see the
<b-dropdown><b-navbar> and
<b-navbar-nav>.
<b-nav-form>
Use <b-nav-form> to place inline form controls
into your navbar.