html, body {
  background-color: #ddd;
  font-family: sans-serif;
  text-align: center;
  margin: 0;
  padding: 5px;
}

table {
  margin: 0 auto;
}

td {
  border: 1px solid #779;
  padding: 5px;
}

tr#header td, tr#header {
  background-color: #779;
  color: white;
  font-weight: bold;
  font-size: small;
  padding: 0 5px;
}

img {
  border: 1px solid #779;
}

a {
  text-decoration: none;
  font-style: italic;
  color: black;
}

a:hover {
  text-decoration: underline;
}