body {
  margin: 0;
  height: 100vh;
  position: relative;
  background-color: lightblue;
  background-image: url('assets/images/backgrounds/bg-main.jpg');
  background-repeat: no-repeat;
  background-position: absolute;
}

/* Basis-Fenster */
.window {
  position: absolute;
  width: 300px;
  height: 117px;
}

/* Home Fenster – links */
.home-window {
  top: 10%;
  left: 15%;
  transform: translate(-50%, -50%);
}

/* Updates Fenster – rechts */
.updates-window {
  top: 10%;
  left: 45%;
  transform: translate(-50%, -50%);
}