.leaflet-magnifying-glass {
    border-radius: 50%;
    border: 1px solid gray;
    box-shadow: 0 0 5px gray;
    position: absolute;
    overflow: hidden;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  
  .leaflet-magnifying-glass > .leaflet-container {
    height: 	100%;
    width: 	100%;
  }
  
  /* Webkit-only workaround for the border-radius clipping bug,
  applied to the map container */
  .leaflet-magnifying-glass-webkit {
    border-radius: 50%;
    -webkit-mask-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAA5JREFUeNpiYGBgAAgwAAAEAAGbA+oJAAAAAElFTkSuQmCC);
  }