body {
   > header, > nav, > footer {
     > div {
       padding-left: .5em;
       padding-right: .5em;
     }
   }
   > header { font-size: .7em; padding: .5em 0; }
 }
 #articles { font-size: .9em; line-height: 1.5em;
   > article { padding: .5em; }
   + aside { display: none; }
 }
 body > nav > div > div { width: 180px;
   .search { width: 110px; }
 }