#main, #page {
    -webkit-flex-flow: column;
            flex-flow: column;
}

#main > nav, #main > article,  #main > aside {
    /* Return them to document order */
    -webkit-order: 0;
            order: 0;
}
  
#main > aside {
    min-height: 50px;
    max-height: 50px;
}

footer {
  position: fixed;
  bottom: 0px;
  left: 0px;
  width:95%;
}