.karteBlock {
  width: 100%;
}

.karteBlock__map {
  position: relative;
  width: 100%;
}

.karteBlock .mapProjectsingle {
  float: none;
  width: 100%;
  height: 45vh;
  min-height: 260px;
}
.karteBlock .mapProjectsingle.leaflet-container {
  width: 100%;
  height: 45vh;
  min-height: 260px;
  z-index: 1;
}

.karteBlock .leaflet-popup-content h4 {
  margin: 0 0 0.5em;
}
.karteBlock .leaflet-popup-content p:last-child {
  margin-bottom: 0;
}