Bootstrap 3 grid system 2 (Interactive Example)

<!DOCTYPE html>
<title>My Example</title>


<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<div class="container-fluid">
		
<div class="bs-example">
	
	<div class="row">
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	  <div class="col-md-1">.col-md-1</div>
	</div>
	<div class="row">
	  <div class="col-md-2">.col-md-2</div>
	  <div class="col-md-3">.col-md-3</div>
	  <div class="col-md-7">.col-md-7</div>
	</div>
	<div class="row">
	  <div class="col-md-4">.col-md-4</div>
	  <div class="col-md-4">.col-md-4</div>
	  <div class="col-md-4">.col-md-4</div>
	</div>
	<div class="row">
	  <div class="col-md-5">.col-md-5</div>
	  <div class="col-md-7">.col-md-7</div>
	</div>
	<div class="row">
	  <div class="col-md-6">.col-md-6</div>
	  <div class="col-md-6">.col-md-6</div>
	</div>
	<div class="row">
	  <div class="col-md-12">.col-md-12</div>
	</div>
</div>


<style scoped>
.bs-example  div[class^="col"] {
	border: 1px solid white;
	background: #f5f5f5;
	text-align: center;
	padding-top: 8px;
	padding-bottom: 8px;
	}
</style>

</div>
		

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>


<script>
// Initialize tooltip component
$(function () {
  $('[data-toggle="tooltip"]').tooltip()
})

// Initialize popover component
$(function () {
  $('[data-toggle="popover"]').popover()
})
</script>