navbar classes #53

<nav class="navbar navbar-static-top" role="navigation">

  <div class="container">

<nav class="navbar navbar-default" role="navigation">

  <div class="container-fluid">

    <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>

      </button>

      <a class="navbar-brand" href="#">tinygraphs</a>

    </div>

    <div id="navbar" class="navbar-collapse collapse">

    <div id="navbar" class="collapse navbar-collapse">

      <ul class="nav navbar-nav">

        <li class="active"><a href="##whatisit">WHAT IS TINYGRAPHS</a></li>

        <li class="active"><a href="##features">FEATURES</a></li>