@media (prefers-color-scheme: dark) {
  .widebody {
    background-color:black;
  }
}

@media (prefers-color-scheme: dark) {
  .topbar, .optionsmenu {
    color:white;
  }
}

@media (prefers-color-scheme: dark) {
#summarydiv {
    color:white;
  }
}

@media (prefers-color-scheme: dark) {
  .dispcell {
    color:white;
    border:1px solid #606060;
  }
}