JSFiddle - React, Tailwind, and code Playground

by panchroma

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">

  <div class="container-fluid">
    <div class="row">
    
        <div class="col-sm-2 p-0 bg-dark">
            <nav class="navbar navbar-dark px-0 fixed-top"> <!--remove fixed-top and it's fine-->
                    <ul class="nav flex-column navbar-nav">
<li class="nav-item"><a href="index.html" class="nav-link">Home</a></li>
<li class="nav-item"><a href="hello.html" class="nav-link">Hello</a></li>
<li class="nav-item"><a href="howdy.html" class="nav-link">Longword and longword</a></li>
                    </ul>
            </nav>
        </div>


        <div class="col-10 bg-primary">

            blalbllala
            blalbllala
            blalbllala
            blalbllala
            <br><br><br><br><br><br><br><br><br><br><br>
            <br><br><br><br><br><br><br><br><br><br><br>
            <br><br><br><br><br><br><br><br><br><br><br>
            <br><br><br><br><br><br><br><br><br><br><br>
            <br><br><br><br><br><br><br><br><br><br><br>
            blalbllala
            blalbllala
            blalbllala
            blalbllala
            blalbllala <br>
        </div>
    </div>
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

@media (min-width: 576px){
  nav.navbar{
      -ms-flex: 0 0 16.666667%;
      flex: 0 0 16.666667%;
      max-width: 16.666667% !important;
  }
}