.poi-editor-wrapper .poi-canvas {
  position: relative;
  display: inline-block;
  border: 1px dashed #ccc;
  margin-top: 1em;
}
.poi-edit-point {
  width: 20px;
  height: 20px;
  background: blue;
  border-radius: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 10;
}