body {
  text-align: center;
  font-family: "Roboto Mono", monospace;
  font-size: 62.5%;
  margin-top: 5vw;
  font-size: 1rem;
}

header {
  font-family: "Roboto Mono", monospace;
  font-size: 1.4rem;
}

main {
  width: 50%;
  margin: auto;
}

.cat-photos {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-photos {
  margin: 0;
}

.cat-photos img {
  width: 20rem;
  height: 16rem;
  object-fit: cover;
}

footer {
  margin-top: 1rem;
}

footer p {
  font-weight: 700;
}

footer p a {
  color: black;
  text-decoration: none;
}

footer a:hover {
  background-color: black;
  color: white;
}

@media (max-width: 768px) {
  .cat-photos {
    display: flex;
    flex-direction: column;
  }
}