style.css

h1 {
  text-align: center;
}

table a {
  background-color: transparent;
  color: #58a6ff;
  text-decoration: none;
}

a:active,
a:hover {
  outline-width: 0;
}

a:hover {
  text-decoration: underline;
}

table, th, td {
  border: 1px solid;
}

img#visitor-badge {
  display: block;
  margin: auto;
}