如何使用 Bootstrap 强制选项卡导航保持原位？

标签导航：标签由

组成，我们使用
• 元素来标记当前页面。固定导航标签样式的位置，位置：固定；属性被使用。

  句法：

  
      
  
          Home
      
      . . .
  
  
      
  content....
      . . .
  
  

  例子：

    
  
      
      
      
    
      
      
    
      
      
        
      
      
      
      
        
      
      
        
      
      
        
      
    
          /* To stay in place use position property */
          .nav {
              position: fixed;
              background-color: lightgreen;
          }
      
  
    
  
      
      
          
              
                  
                      HTML
                  
              
              
                  
                      CSS
                  
              
              
                  
                      Contact
                  
              
          
      
    
      
      
          
              GeeksforGeeks
              HTML Introduction
              
                  HTML stands for Hyper Text Markup Language.
                  It is used to design web pages using markup
                  language. HTML is the combination of Hypertext
                  and Markup language. Hypertext defines the link
                  between the web pages. Markup language is used
                  to define the text document within tag which
                  defines the structure of web pages. This language
                  is used to annotate (make notes for the computer)
                  text so that a machine can understand it and
                  manipulate text accordingly. Most of markup
                  (e.g. HTML) languages are human readable.
                  Language uses tags to define what manipulation
                  has to be done on the text.
              
          
          
              GeeksforGeeks
              CSS Introduction
              
                  Cascading Style Sheets, fondly referred to as CSS,
                  is a simply designed language intended to simplify
                  the process of making web pages presentable. CSS
                  allows you to apply styles to web pages. More
                  importantly, CSS enables you to do this independent
                  of the HTML that makes up each web page. CSS is easy
                  to learn and understood but it provides powerful
                  control over the presentation of an HTML document.
              
          
          
              GeeksforGeeks
              Contact Form
              
                  
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