* {
  margin: 0% 0% 0% 0%;
  padding: 0;
}

.Startseite {
  margin: 0% 0% 0% 0%;
  position: relative;
  text-align: center;
  height: 100vh;
  background-color: transparent;
}

body {
  background-position: center center;
  background-attachment: fixed;
  background-image: url("images/Noise.gif"); /*url("img/PHL_Backround.png");*/
  /*background-repeat: repeat;*/
  background-size: cover;
  /*background-color: #cccccc;*/
  padding: 0% 10% 0%;
}

.wrapper {
  width: 100%
}

.header-logo {
  width: 100%;
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}