body {
  font-family: 'Helvetica Neue', Verdana, Helvetica, Arial, sans-serif;
  max-width: 600px;
  margin: 0 auto;
  padding-top: 72px;
  -webkit-font-smoothing: antialiased;
  font-size: 1.125em;
  color: #333;
  line-height: 1.5em;
}

h1, h2, h3 {
  color: #000;
}
h1 {
  font-size: 2.5em
}

h2 {
  font-size: 2em
}

h3 {
  font-size: 1.5em
}

a {
  text-decoration: none;
  color: #09f;
}

a:hover {
  text-decoration: underline;
}

table {
    border-collapse: collapse;
}

td, th {
    border: 1px solid black;
    padding: 0;
}
th {
    text-align: center;
    min-width: 40px;
}
td {
    text-align: right;
}

td input {
    border: none;
    padding: 5px;
    width: 80px;
}
td input:hover {
    background-color: #ccc;
}
td input:focus {
    background-color: #ccf;
}
td input:not(:focus) {
    text-align: right;
}