body {
  color: #444;
  font-family: -apple-system, BlinkMacSystemFont, 'avenir next', avenir, 'segoe ui', 'helvetica neue', helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
  line-height: 1.4;
  margin: 15px 0;
  text-align: center;
}

h1 {
  font-size: 1.1em;
  font-weight: 600;
}

table {
  border-collapse: collapse;
  margin: 0 auto 1em auto;
}

th,
td {
  border: 1px solid #ddd;
}

th {
  font-weight: 600;
  text-align: left;
  vertical-align: bottom;
  padding: 9px 9px;
  background-color: #eee;
}

td {
  padding: 3px;
}

td:nth-child(2),
td:nth-child(3) {
  text-align: right;
}

input {
  font: inherit;
  color: inherit;
  padding: 5px;
  border: 0;
}

output {
  padding: 5px;
}

input[type="text"] {
  width: 10em;
}

input[type="number"] {
  width: 5em;
}