html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

.container {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
}

.body {
  grid-row: 1;
  grid-column: 1;
  display: grid;
  align-items: center;
}

.footer {
  grid-row: 2;
  grid-column: 1;
  text-align: right;
  margin: .5rem;
}

.cell {
  text-align: center;
}

.text {
  font-size: 4rem;
  text-align: center;
}

a {
  color: inherit;
}

@media (prefers-color-scheme: dark) {
  html {
    color: white;
    background-color: black;
  }
}

@media (prefers-color-scheme: light) {
  html {
    color: black;
    background-color: white;
  }
}