body {
  max-width: 800px;
  margin: 0 auto;
}

.sender-column {
  text-align: right;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1.3em;
}

p,
ul,
ol,
dl,
address {
  font-size: 1.1em;
}

p,
li,
dd,
dt,
address {
  line-height: 1.5;
}