@media screen {
  body {
    color: #ffffff;
    background: #2A2829;
  }
  
  nav {
    border-bottom: solid 3px #cecece;
  }
  
  a {
    color: #ffffff;
  }
  
  article aside {
    color: #909090;
  }
  
  article {
    border-bottom: solid 3px #cecece;
  }
  
  article header h2 {
    color: #ffffff;
  }

  em {
    color: #ffffff;
  }

  a.external {
    color: #d1caca;
  }
}