Bootstrap container

Containers:

Bootstrap containers are used to wrap the site contents. A bootstrap container is utilized to set the content’s margins dealing with the responsive behaviors of our layout format. It contains the row components and the row components are act as a container of columns. This is known as grid system.

Bootstrap container classes:
.container class: It provides a responsive fixed width container.
.container-fluid class: It provides a full width container, spanning the entire width of the view port.

Note: Bootstrap Containers are not nestable i.e. we cannot put a container inside another container.

Bootstrap container Example:

<!DOCTYPE html>  
<html lang="en">  
<head>  
  <title>Bootstrap Container Example</title>      
  <meta name="viewport" content="width=device-width, initial-scale=1">  
  <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">  
</head>  
<body>  
<div class="container">  
  <h1>Bootstrap Container Example</h1>  
  <p>Web page content.</p>   
</div>    
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>  
  <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>  
</body>  
</html>

Output:

Bootstrap container-fluid Example:

<!DOCTYPE html>  
<html lang="en">  
<head>  
  <title>Bootstrap container-fluid Example</title>      
  <meta name="viewport" content="width=device-width, initial-scale=1">  
  <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">  
</head>  
<body>  
<div class="container-fluid">  
  <h1>Bootstrap container-fluid Example</h1>  
  <p>Web page content.</p>   
</div>    
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>  
  <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>  
</body>  
</html>

Output: