Bootstrap 4 - Layout

Bootstrap 4 uses container classes to wrap the page's contents. It contains two container classes −
.container − It represents a fixed width container.
.container − It represents a fixed width container.
.container-fluid − It represents a full width container.
.container-fluid − It represents a full width container.
The .container class is used to wrap the page content with fixed width and content can be placed in the center easily by using the .container class as shown below.
<div class = "container">
   ...
</div>

The below example specifies a simple web page with fixed width container −
<html lang = "en">
   <head>
      <!-- Meta tags -->
      <meta charset = "utf-8">
      <meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
      
      <!-- Bootstrap CSS -->
      <link rel = "stylesheet" 
         href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" 
         integrity = "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" 
         crossorigin = "anonymous">
      <title>Bootstrap 4 Example</title>
      <style>
         .container {
            background: #a52c644a;
            text-align: center;
            padding-top: 100px;
            padding-bottom: 100px;
         }   
      </style>
   </head>
   
   <body>
      <div class = "container">
         <h2>Fixed Width Container</h2>
         This is a simple web page with fixed width container by using 
         <code>.container</code> class.
      </div>
      
      <!-- jQuery first, then Popper.js, then Bootstrap JS -->
      <script src = "https://code.jquery.com/jquery-3.3.1.slim.min.js" 
         integrity = "sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" 
         crossorigin = "anonymous">
      </script>
      
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" 
         integrity = "sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" 
         crossorigin = "anonymous">
      </script>
      
      <script src = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" 
         integrity = "sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" 
         crossorigin = "anonymous">
      </script>
      
   </body>
</html>
It will produce the following result −
You can create a full width container by using the .container-fluid class as shown below.
<div class = "container-fluid">
   ...
</div>

The below example specifies a simple web page with full width container −
<html lang = "en">
   <head>
      <!-- Meta tags -->
      <meta charset = "utf-8">
      <meta name = "viewport" content = "width = device-width, initial-scale = 1, shrink-to-fit = no">
      
      <!-- Bootstrap CSS -->
      <link rel = "stylesheet" 
         href = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" 
         integrity = "sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" 
         crossorigin = "anonymous">
      <title>Bootstrap 4 Example</title>
       <style>
         .container-fluid {
            background: #a52c644a;
            text-align: center;
            padding-top: 100px;
            padding-bottom: 100px;
         }   
      </style>
   </head>
   
   <body>
      <div class = "container-fluid">
         <h2>Full Width Container</h2>
         This is a simple web page with full width container by using 
         <code>.container-fluid</code> class.
      </div>
      
      <!-- jQuery first, then Popper.js, then Bootstrap JS -->
      <script src = "https://code.jquery.com/jquery-3.3.1.slim.min.js" 
         integrity = "sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" 
         crossorigin = "anonymous">
      </script>
      
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" 
         integrity =" sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" 
         crossorigin = "anonymous">
      </script>
      
      <script src = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" 
         integrity = "sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" 
         crossorigin = "anonymous">
      </script>
      
   </body>
</html>
It will produce the following result −

    26 Lectures 
     2 hours 

 Anadi Sharma

    54 Lectures 
     4.5 hours 

 Frahaan Hussain

    161 Lectures 
     14.5 hours 

 Eduonix Learning Solutions

    20 Lectures 
     4 hours 

 Azaz Patel

    15 Lectures 
     1.5 hours 

 Muhammad Ismail

    62 Lectures 
     8 hours 

 Yossef Ayman Zedan
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