JSFiddle - React, Tailwind, and code Playground

by Renilson Meneguci

HTML

<body data-spy="scroll" data-target="#myScrollspy" data-offset="15">

<div class="container-fluid" style="background-color:#2196F3;color:#fff;height:200px;">
  <h1>Scrollspy & Affix Example</h1>
  <h3>Fixed vertical sidenav on scroll</h3>
  <p>Scroll this page to see how the navbar behaves with data-spy="affix" and data-spy="scrollspy".</p>
  <p>The left menu sticks the page after you have scrolled a specified amount of pixels, and the links in the menu are automatically updated based on scroll position.</p>
</div>
<br>

<div class="container">
  <div class="row">
    <nav class="col-sm-3" id="myScrollspy">
      <ul class="nav nav-pills nav-stacked" data-spy="affix" data-offset-top="205">
        <li><a href="#section1">Section 1</a></li>
        <li><a href="#section2">Section 2</a></li>
        <li><a href="#section3">Section 3</a></li>
        <li class="dropdown">
          <a class="dropdown-toggle" data-toggle="dropdown" href="#">Section 4 <span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#section41">Section 4-1</a></li>
            <li><a href="#section42">Section 4-2</a></li>                     
          </ul>
        </li>
      </ul>
    </nav>
    <div class="col-sm-9">
      <div id="section1">    
        <h1>Section 1</h1>
        <p>Try to scroll this section and look at the navigation list while scrolling!</p>
      </div>
      <div id="section2"> 
        <h1>Section 2</h1>
        <p>Try to scroll this section and look at the navigation list while scrolling!</p>
      </div>        
      <div id="section3">         
        <h1>Section 3</h1>
        <p>Try to scroll this section and look at the navigation list while scrolling!</p>
      </div>
      <div id="section41">         
        <h1>Section 4-1</h1>
        <p>Try to scroll this section and look at the navigation list while scrolling!</p>
      </div>      
      <div id="section42">         
        <h1>Section 4-2</h1>
        <p>Try to...

CSS

body {
      position: relative;
  }
  .affix {
      top: 20px;
  }
  div.col-sm-9 div {
      height: 250px;
      font-size: 28px;
  }
  #section1 {color: #fff; background-color: #1E88E5;}
  #section2 {color: #fff; background-color: #673ab7;}
  #section3 {color: #fff; background-color: #ff9800;}
  #section41 {color: #fff; background-color: #00bcd4;}
  #section42 {color: #fff; background-color: #009688;}
  
  @media screen and (max-width: 810px) {
    #section1, #section2, #section3, #section41, #section42  {
        margin-left: 150px;
    }
  }