html, body {
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  background-color: #0a4657;
  color: #fff;
  font-family: Arial, sans-serif;
}

main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.logo img {
  display: block;
  max-width: min(500px, 80vw);
  height: auto;
  border: 0;
}

footer {
  padding: 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  color: #fff;
}

footer a {
  color: #fff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}