h1 {
  background-color: #bbffff;
}

h2 {
  background-color: #ddffff;
}


table {
  border-collapse: collapse;
  border: solid 1px gray;
  background-color: #fff2d9;
}

table th {
  background-color: #ffdd99;
  border: solid 1px gray;
}

table td {
  border: solid 1px gray;
}

pre {
  background-color: #e5ffe5;
  border: solid 1px gray;
}