https://github.com/lisplizards/vinland-todo-app
       target=_blank>
     <img src=/images/github-mark.svg>
    </a>
   </div>
   <nav>
    <sl-button href=/login>
    Sign in
    </sl-button>
    <sl-button href=/register>
    Register
    </sl-button>
   </nav>
  </header>
  <div class="main-container center">
   <h1>
    415: Unsupported Media Type
   </h1>
  </div>
  <footer>
   <div class=copyright-container>
    <p class=footer-copyright>
     Â© John Newton 2024
    </p>
   </div>
   <nav>
    <a 