Template:McMaster/Header3

<body> 

   <button onclick="topFunction()" id="topBtn" title="Go to top">TOP</button>
   <nav class="navbar navbar-expand-lg navbar-light">
       <a class="navbar-brand" href="https://2018.igem.org/Team:McMaster">
           <img class="navbar-logo" src="T--McMaster--Brain.png">
       </a>
       <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
           
       </button>

   </nav>

</body>