leaflet panes propagation via pip

by John Doe

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/1.6.0/leaflet.js"></script>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css">
<script src="https://unpkg.com/@mapbox/leaflet-pip@latest/leaflet-pip.js"></script>
<div id="map"></div>

CSS

#map {
	outline: none;
	position: absolute;
	right: 0;
	top: 0;
	bottom: 0;
	left: 0;
	background-color: #262626;
}

JavaScript

// vars
const fishnet = {"type": "FeatureCollection","features": [{"type": "Feature","properties": {'id':0},"geometry": {"type": "Polygon","coordinates": [[[37.6611328125,55.792017325495095],[37.85064697265625,55.792017325495095],[37.85064697265625,55.89225616635061],[37.6611328125,55.89225616635061],[37.6611328125,55.792017325495095]]]}},{"type": "Feature","properties": {'id':1},"geometry": {"type": "Polygon","coordinates": [[[37.85270690917969,55.792017325495095],[38.04016113281249,55.792017325495095],[38.04016113281249,55.89148608452775],[37.85270690917969,55.89148608452775],[37.85270690917969,55.792017325495095]]]}},{"type": "Feature","properties": {'id':2},"geometry": {"type": "Polygon","coordinates": [[[38.04290771484375,55.79240335472841],[38.253021240234375,55.79240335472841],[38.253021240234375,55.89071598742222],[38.04290771484375,55.89071598742222],[38.04290771484375,55.79240335472841]]]}},{"type": "Feature","properties": {'id':3},"geometry": {"type": "Polygon","coordinates": [[[37.659759521484375,55.67835873246176],[37.84927368164062,55.67835873246176],[37.84927368164062,55.79047317030209],[37.659759521484375,55.79047317030209],[37.659759521484375,55.67835873246176]]]}},{"type": "Feature","properties": {'id':4},"geometry": {"type": "Polygon","coordinates": [[[37.8533935546875,55.6799073292233],[38.04290771484375,55.6799073292233],[38.04290771484375,55.78970106974952],[37.8533935546875,55.78970106974952],[37.8533935546875,55.6799073292233]]]}},{"type": "Feature","properties": {'id':5},"geometry": {"type": "Polygon","coordinates": [[[38.045654296875,55.683004338819316],[38.25164794921875,55.683004338819316],[38.25164794921875,55.78970106974952],[38.045654296875,55.78970106974952],[38.045654296875,55.683004338819316]]]}},{"type": "Feature","properties": {'id':6},"geometry": {"type": "Polygon","coordinates":...