img {
  max-width: 100%;
  height: auto;
}

body > header {
  margin-bottom: 0.25em;
}

header nav a:first-of-type {
  background: #fff;
  color: #000;
}

img {
  border-bottom: 5px solid #000;
}

p {
  padding: 0.1em 0.5em;
}