nav {
  border-bottom-color: #51555d !important;
  background: #252a34 !important;
}

body {
  background: #252a34 !important;
}

article {
  background: #000000 !important;
  border-color: #51555d !important;
}

article.up {
  border-left-color: #c26c07 !important;
}