templates/header.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">
<title>JSParser</title>
<link href="/css/main.css" rel="stylesheet">
<link href="/css/bootstrap.min.css" rel="stylesheet">

</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" href="/">JSParser</a>
    </div>

    <div id="navbar" class="collapse navbar-collapse">
      <ul class="nav navbar-nav">
        <li><a href="/">Home</a></li>
        <li><a href="https://github.com/nahamsec/JSParser">Github</a></li>
        <li><a href="/about">About</a></li>
      </ul>
    </div>

  </div>
</nav>

<div class="container">

    <div class="main">
    