<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="bootstrap/css/bootstrap.min.css">
<title>Hello, world!</title>
</head>
<body>
<script src="bootstrap/js/bootstrap.bundle.min.js"></script>
</body>
</html>
<!-- BootStrap Flow -->
<!-- container > row > column > row > column > content(text,images or anything) -->
<!-- <pre>
x-small 0px - 575px [ col-* ]
small 576px - 767px [ col-sm-* ]
Medium 768px - 991px [ col-md-* ]
Large 992px - 1199px [ col-lg-* ]
Extra Large 1200px - 1399px [ col-xl-* ]
Extra extra large 1400px - infinity [ col-xxl-*]
</pre> -->
