body {
  margin: 10px;
  font-family: "Helvetica Neue",Helvetica,sans-serif;
  font-size: 12px;
}

table {
  width: 100%;
}
td:last-child {
  text-align: right;
}

input[type=number],
button {
  width: 80px;
}

.notes {
  font-size: 90%;
  color: #999;
}