aside, caption, button, .button, input[type=button], input[type=submit], footer, .tiles > * {
  color: white;
  background-color: #777;
}

aside, caption, th, td, .border, .tiles > * {
  border-color: #000;
}

aside, th, td .caption {
  background-color: #DDD;
}

input {
  accent-color: #000;
}

footer a:link {
  color: yellow;
}
footer a:visited {
  color: orange;
}

.highlight {
  background: yellow;
}

.button:visited {
  color: white;
}

input {
  outline-color: black;
}