body {
  height: 100vh;
  background-color:#000000;
}

.logo {
  display: block;
  width: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.logo-passpoint {
  display: block;
  width: 150px;
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translate(-50%, -50%);
}