基本模板

<!DOCTYPE html>
<html lang="en">
  
    <head>
        
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
    
        
        <title>Bootstrap 101 Template</title>  <!-- The title of the Website -->

        <!-- Reference to Bootstrap's CSS file -->
        <!-- This is the line to reference the bootstrap's Stylesheet -->
        <link href="css/bootstrap.min.css" rel="stylesheet"> 

        <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
        <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
        <!-- [if lt IE 9] -->
         <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
         <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
        <!--[endif]-->
  

    </head>
  
    <body>
    
        <h1>Hello, world!</h1>

        <!-- Referencing jQuery (necessary for Bootstrap JavaScript plugins(bootstrap.min.js) to work) -->
        <script src = "https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
    

        <!-- Referencing Javascript Bootstrap Plugin to Facilitate Bootstrap Animations and functionalities. -->
        <!-- (Necessary to run Bootstrap) -->
        <script src="js/bootstrap.min.js"></script>
  

    </body>
</html>