* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

.background {
  position: relative;
  width: 100vw;
  height: 100vh;

  background-image: url('hintergrund.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateX(-8%);
  
  height: 30vh;
  display: block;
  transition: height 0.3s ease, transform 0.3s ease;
}

@media (min-width: 768px) and (max-width: 1023px) and (orientation: portrait) {
  .logo {
    height: 45vh;
    transform: translate(-50%, -50%) translateX(-6%);
  }
}

@media (min-width: 768px) and (orientation: landscape) {
  .logo {
    height: 40vh;
    transform: translate(-50%, -50%) translateX(-5%);
  }
}

@media (min-width: 1024px) {
  .logo {
    height: 80vh;
    transform: translate(-50%, -50%) translateX(-3%);
  }
}