<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>
<!DOCTYPE html>
<html>
<head>
<title>Love Calculator</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<link rel="stylesheet" href="css/style.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</head>
<style>
</style>
<body>
<div class="bg_heart"></div>
<div id="preloader">
<div class="bg-cover"><img src="https://www.heart2heartrelationships.com/wp-content/uploads/2018/06/heart.gif" class="img-fluid bg-white"></div>
</div>
<div class="container text-center">
<div class="clearfix">
<div class="calc col-sm-6 col-sm-offset-3 col-md-4 col-md-offset-4">
<h2 class="white-text">Love Calculator</h2>
<h5 class="white-text">Enter your Names to Check Your LOVE!!!! </h5>
<form role="form" class="form-horizontal">
<div class="form-group">
<input type="text" class="form-control" name="names" placeholder="Person One" />
</div>
<div class="form-group">
<input type="text" class="form-control" name="names" placeholder="Person Two" />
</div>
<div class="form-group">
<button class="btn btn-danger pull-right" type="submit" id="submit">Calculate</button>