@madup-inc/react-imagemarker/dist/index.css

Awesome react image marker

.react-imagemarker {
  width: 100%;
  height: 100%;
  border: solid 1px #ced4da;
  -o-object-fit: contain;
     object-fit: contain;
  position: relative;
}

.react-imagemarker .marker {
  position: absolute;
}

.default-marker{
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #1480ff;
  border: 1px solid #fff;
  color: #fff;
  text-align: center;
  vertical-align: center;
}

.default-marker div {
  margin-top: 1px;
  margin-right: 0;
  font-size: 13px;
}