body {
  color: black;
  background-color: seashell;
}

h1 {
  font: bold 200% helvetica;
  color: black;
  border-width: 5pt;
  border-style: groove;
  padding: 10pt 10pt 10pt 10pt;
}

pre {
  font-weight: bold;
  font-size: 120%;
  color: black;
  background-color: khaki;
}

table {
  background-color: lightgreen;
}

caption {
  background-color: lightgreen;
}

