html{
  height: 100%;
}

body {
  max-width: 50em;
  margin: auto;
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  background: #FEFEFE;
  height: 100%;
  
  display: flex;

}
main{
  margin: auto 2em;
}

h1 {
  text-align: center;
  color: #111;
}
h2 {
  color: #222;
}
p {
  margin-left: 1em;
}