<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>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,600,400italic);
body {font-family: "Roboto", Helvetica, Arial, sans-serif;}
* {
box-sizing: border-box;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-webkit-font-smoothing: antialiased;
-moz-font-smoothing: antialiased;
-o-font-smoothing: antialiased;
font-smoothing: antialiased;
text-rendering: optimizeLegibility;
}
body {
font-family: "Roboto", Helvetica, Arial, sans-serif;
font-weight: 100;
font-size: 12px;
line-height: 30px;
color: #777;
background: #FFF;
}
.modal {
display: none;
position: fixed;
z-index: 1;
