<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="advance-search">
<form action="#">
<div class="row">
<div class="col-lg-6 col-md-12">
<div class="block d-flex">
<input type="text" class="form-control mb-2 mr-sm-2 mb-sm-0" id="search" placeholder="Search for store">
</div>
</div>
<div class="col-lg-6 col-md-12">
<div class="block d-flex">
<input type="text" class="form-control mb-2 mr-sm-2 mb-sm-0" id="search" placeholder="Search for store">
<button class="btn btn-main">SEARCH</button>
</div>
</div>
</div>
</form>
</div>
</div>
