JSFiddle - React, Tailwind, and code Playground

HTML

<!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">
    
    <meta name="description" content="">
    <meta name="author" content="">
    <link rel="icon" href="../../favicon.ico">

    <title>Starter Template for Bootstrap</title>

    <!-- Bootstrap core CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">

<style>
body {
  padding-top: 50px;
}
.spacer {
  margin-top: 2%;
  margin-bottom: 2%;
}
.glyph-text {
  color: darkorange;
  font-size: 1.3em; 
}
.block {
  min-height: 200px;  
  background-color: darkorange;
}
.block1 {
  min-height: 50px;  
  background-color: darkorange;
}     
.block2 {
  color: #fff; 
  min-height: 40px;
  margin-top: 2%;
  margin-bottom: 2%;  
  background-color: blueviolet;
}
.block3 {
  min-height: 40px;
  margin-top: 2%;
  margin-bottom: 2%; 
  background-color: steelblue;
}
.block-a {
  color: #fff; 
  height: 40px;
  margin-top: 2%;
  margin-bottom: 2%;  
  background-color: red;
}
.block-b {
  color: #fff; 
  height: 40px;
  margin-top: 2%;
  margin-bottom: 2%; 
  background-color: grey;
}     
.center {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;  
}
.center-row {
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;  
}    
</style>

</head>

<body>

<nav class="navbar navbar-inverse navbar-fixed-top ">
    <div class="container">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand...