body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background-color: #f8f8f8;
  color: #222;
  text-align: center;
}

.kalenderbild img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}