html {
  background-color: #eee;
  color: #222;
  max-width: 46rem;
  padding: 1rem;
}

body {
  margin-bottom: 10rem;
}

blockquote {
  background-color: #ddd;
  border-left: 0.2rem solid #ccc;
  margin-left: 3rem;
  margin-right: 4rem;
  padding: 0.5rem;
}

code {
  color: #000;
}

form {
  background-color: #ced;
  border: 0.2rem solid #ccc;
  border-radius: 1rem;
  margin-left: 3rem;
  margin-right: 4rem;
  padding: 1rem;
}

input {
  text-align: center;
}

input[type="text"] {
  max-width: 2em;
}

table {
  border-collapse: collapse;
  margin-top: 0.5rem;
}

td {
  border: 1px solid #aaa;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

td:first-child {
  text-align: right;
  font-weight: bold;
}

label {
  font-weight: bold;
  margin-right: 0.5rem;
}

output {
  font-family: monospace;
}