html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
}
body {
  background-color: #001a33;
  color: #ffffff;
  font-family: Verdana, sans-serif;
  padding: 1em 2em;
}
a {
  border: 1px solid #fff;
  padding: 1em;
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  margin: 0.5em;
}
a:hover {
  background-color: #00284d;
}
h1 {
 margin-bottom: 2em; 
}
a.bigbutton {
  font-size: 32px;
}

#datetoday {
  margin-top: 1em;
}
.allowvoverflow {
  overflow-y: auto;
}