html {
  height: 100%;
}

body {
  height: 100%;
  background-color: #f8f8e9;
}

.container {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (min-height: 700px) {
  .wappen {
    margin-bottom: 200px;
  }
}

img {
  height: 400px; /* Auf 200 % skaliert !! */
}