body {
  font-family: Arial, sans-serif;
  font-size: 20px;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
}

main {
  text-align: center;
  margin: 0 auto;
  max-width: 1000px;
}

p {
  text-align: left;
  padding: 0 20px;
}

code {
  color: firebrick;
}

img {
  border: solid 2px black;
  max-width: 100%;
  height: auto;
}

.footer {
  text-align: center;
  font-size: 15px;
}

.footer a {
  color: firebrick;
}