.marker_size {
    width: 18px;
    height: 18px;
}
.fractracker_marker {
  background-color: lightblue;
}
.justicemap_marker {
  background-color: orange;
}
.odor_log_marker {
  background-color: blueviolet;
}
.openaq_marker {
  background-color: crimson;
}
.toxic_release_marker {
  background-color: mediumseagreen;
}
.skytruth_marker {
  background-color: cadetblue;
}