html,
body {
  margin: 0;
  padding: 0;
  background-color: black;
  color: white;
  font-family: sans-serif;
}

.container {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: stretch;
  align-content: stretch;
}

.game {
  flex: 1;
}

.embed {
  width: 100%;
  height: 100%;
}

.footer {
  padding: 0.3em;
  color: #444444;
  text-align: center;
}

a {
  text-decoration: none;
}

a:link,
a:visited {
  color: #777777;
}

a:hover {
  color: #aaaaaa;
}

div.directions {
  position: absolute;
  right: 8px;
  z-index: 1;
  top: 8px;
}

#fullscreen-toggle {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 5px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0.25;
}

@media (hover: none) {
  #fullscreen-toggle {
    display: flex;
  }
}

#fullscreen-toggle:hover {
  background: rgba(255, 255, 255, 0.9);
  opacity: 0.8;
}