.slider {
  position: relative;
  width: 100%;
  max-height: 700px;
  overflow: hidden;
}

.slider img {
  display: none;
  width: 100%;
  height: auto;
  border: 2px solid #f0f0f0; /* Helle Border-Farbe anpassen */
  border-radius: 10px; /* Abrundung der Border anpassen */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Schatten anpassen */
}

.slider img.desktop {
  display: block;
}

@media (max-width: 767px) {
  .slider img.desktop {
    display: none;
  }
  .slider img.mobile {
    display: block;
  }
}