.marker-container {
  position: relative;
}

.marker-container.transparent {
  position: relative;
  opacity: 0.8;
}

div.marker-container:after {
  top: -5px;
  left: 0px;
  border: solid transparent;
  content: ' ';
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
  border-color: rgba(255, 255, 255, 0);
  border-top-color: #2b869e;
  border-width: 15px;
  margin-left: -15px;
}

div.marker-container.selected:after {
  border-top-color: #d23635;
  z-index: 1;
}

div.image-container {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin: -50px -25px;
  border: solid 1px #2b869e;
  cursor: pointer;
  overflow: hidden;
  position: absolute;
}

div.marker-container.selected > div.image-container {
  border: solid 1px #d23635;
  z-index: 1;
}

div.image-container img {
  min-width: 50px;
  width: auto;
  max-height: 50px;
  height: auto;
}