I can't seem to figure out why my input search and button are stacking and not displaying inline.
<nav class="navbar navbar-expand-sm navbar-light bg-light">
<a class="navbar-brand" href="#">Witty</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#expandme">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="expandme">
<div class="navbar-nav">
<a class="nav-link" href="#">New</a>
<a class="nav-link" href="#">Men</a>
<a class="nav-link" href="#">Women</a>
<a class="nav-link" href="#">Brands</a>
<a class="nav-link" href="#">sale</a>
</div>
<form class="form-inline">
<div class="form-group">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-primary my-2 my-sm-0" type="submit">Search</button>
</div>
</form>
</div>
</nav>