html {
  font-family: sans-serif;
  text-align: center;
  background-color: black;
  color: white;
  font-size: 24px;
}

a {
  color: white;
  text-decoration: none;
}

img.icon {
  width: 1em;
  padding: 1ex;
}

img#linkedin {
  filter: grayscale(100%) brightness(400%);
}