info.css

/* info bottom left */

#info {
  text-align: left;
  color: #fff;
  position: absolute;
  width: 240px;
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  bottom: 50px;
  left: 10px;
  border-radius: 4px;
  display: none;
}

#info.visible {
  display: block;
}

#info h1 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
}

#info a {
  color: #1ac6ff;
  transition: color 0.15s ease-in-out;
}

#info a:hover,
#info a:focus {
  color: #81dfff;
}

#info-icon {
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: rgba(0, 0, 0, 0.3);
  width: 30px;
  height: 30px;
  font-weight: bold;
  text-align: center;
  line-height: 30px;
  color: #fff;
  font-family: monospace;
  font-size: 16px;
  border-radius: 4px;
}

#info-icon:hover {
  cursor: pointer;
  background: rgba(0, 0, 0, 0.4);
}