html,
body {
  height: 100%;
  margin: 0;
  font-family: 'Lato', sans-serif;
}

.wrapper {
  height: 100%;
  display: flex;
  justify-content: center; /* horizontal center */
  align-items: center;     /* vertical center */
}

.illustration {
  width: 250px;
}

.caption {
  margin-top: 12px;
  font-size: 16px;
  color: #333;
  text-align: center;
}

.illustration:active {
  transform: translateY(5px);
}