html{
    margin: 50pt;
}

header{
   max-width: 70ch; 
  margin: 0 auto; 
}

.description{
    font-size: 12pt;
    font-style: italic;
}

body {
  max-width: 70ch; 
  margin: 0 auto; 
}

.underline{
    text-decoration: underline;
}

.attribution{
    line-height: .5;
    color: gray;
}