Navbar sizes

Change navbar height, font size, brand size and other components by adding class.

Responsive

<!-- Source -->
<nav class="navbar navbar-sm-1"></nav>
<nav class="navbar navbar-sm-2"></nav>
<nav class="navbar navbar-sm-3"></nav>
<nav class="navbar navbar-sm-4"></nav>
<nav class="navbar navbar-sm-5"></nav>

<nav class="navbar navbar-md-1"></nav>
<nav class="navbar navbar-md-2"></nav>
<nav class="navbar navbar-md-3"></nav>
<nav class="navbar navbar-md-4"></nav>
<nav class="navbar navbar-md-5"></nav>

<nav class="navbar navbar-lg-1"></nav>
<nav class="navbar navbar-lg-2"></nav>
<nav class="navbar navbar-lg-3"></nav>
<nav class="navbar navbar-lg-4"></nav>
<nav class="navbar navbar-lg-5"></nav>

<nav class="navbar navbar-xl-1"></nav>
<nav class="navbar navbar-xl-2"></nav>
<nav class="navbar navbar-xl-3"></nav>
<nav class="navbar navbar-xl-4"></nav>
<nav class="navbar navbar-xl-5"></nav>