#wrapper {
  position: relative;
  width:100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: space-between;
}


/* Von 768px bis 991px */
@media (min-width: 768px) and (max-width: 991px) {
  #wrapper {
    position: relative;
    width: 463px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    left: 150px;
  }

  #content {width:100%; float:left; }

  .bg-body {
    margin: 0;
    padding: 0;
    background-color: #f1f1f1;
    height: 100%;
    position: relative;
    background-image: url("/img/group-2.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: calc(50% + 80px) center;
  }
}

/* Von 992px bis 1199px */
@media (min-width: 992px) and (max-width: 1199px) {
  #wrapper {
    position: relative;
    width: 463px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    left: 150px;
  }

  #content {width:100%; float:left; }

  .bg-body {
    margin: 0;
    padding: 0;
    background-color: #f1f1f1;
    height: 100%;
    position: relative;
    background-image: url("/img/group-2.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: calc(50% + 100px) center;
  }
}

/* Alles größer als 1200px */
@media (min-width: 1200px) {
  #wrapper {
    position: relative;
    width: 493px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    left: 250px;
  }

  #content {width:100%; float:left; }

  .bg-body {
    margin: 0;
    padding: 0;
    background-color: #f1f1f1;
    height: 100%;
    position: relative;
    background-image: url("/img/group-2.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
  }
}