body { 
  
  color: white; background: black; background-image: none; width: 900px; margin:10px; padding:20px;}

body .header, body .post { background: #555555; padding:20px;}

body .header a, body .post a { color: #61d9ff; }

body .header { opacity: 0; padding: 10px;}

body .post-footer { border-color: white; padding: 10px;}

body .alert { background-color: blue; color: white; padding: 20px;}