libmedium/templates/main.css

* {
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  display: flex;
  flex-direction: column;
}

main {
  width: 60%;
  margin: auto;
  display: flex;
  flex-direction: column;
}

p {
  margin: 20px 0;
}

img {
  margin: auto;
  max-width: 80%;
}

@media screen and (max-width: 1200px) {
  main {
    width: 90%;
  }

  img {
    display: block;
  }
}