html {
  width: 100%;
  height: 100%;
}

body {
  background-color: white;
  line-height: 1.3em;
  width: 730px;
  margin: 0px auto;
}

img {
  display: block;
  text-align: center;
}

h1 {
  padding: 10px;
  background-color: pink;
  font-size: 3em;
  line-height: 1em;
  text-align: center;
}

.sub {
  font-size: 1.5em;
  line-height: 1em;
  text-align: center;
}

.annotation {
  color: darkred;
  font-size: small;
  line-height: 1.4em;

}