<header class="header"> <a class="logo" href="{{ site.baseurl }}/">{{ site.title }}</a> <nav> <ul class="menu"> <li class="menu__item"> <a href="/author">Author</a> </li> <li class="menu__item"> <a href="/wallpaper">Wallpaper</a> </li> <li class="menu__item"> <a href="https://twitter.com/{{ site.twitter.username }}">Twitter</a> </li> <li class="menu__item"> <a href="https://github.com/{{ site.github.username }}">GitHub</a> </li> </ul> </nav> </header>