<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-T8Gy5hrqNKT+hzMclPo118YTQO6cYprQmhrYwIiQ/3axmI1hQomh7Ud2hPOy8SP1" crossorigin="anonymous">
<section class="py-2 bg-white border shadow fixed-top ">
<div class="container">
<div class="row">
<div class="col-md-12">
<div class="row">
<div class="col-md-2">
<div class="form-group">
<select id="inputState" class="form-control">
<option selected>... Select Make...</option>
<option>BMW</option>
<option>Audi</option>
<option>Maruti</option>
<option>Tesla</option>
</select>
</div>
</div>
<div class="col-md-2">
<div class="form-group">
<select id="inputState" class="form-control">
<option selected>... Select Model...</option>
<option>BMW</option>
<option>Audi</option>
<option>Maruti</option>
<option>Tesla</option>
</select>
</div>
</div>
<div class="col-md-2">
<div class="form-group">
<select id="inputState" class="form-control">
