Leaflet Weird Bug
HTML
<div id="map"></div>
CSS
#map{
height:100vh;
height:100%;
width:100vw;
width:100%;
padding:0px; margin:0px;
}
JavaScript
var mymap = L.map('mapid').setView([51.505, -0.09], 13);
L.tileLayer('https://rastertiles.wonobo.com:8080/rt/v1/{z}/{x}/{-y}.png', {
minZoom: 5,
maxZoom: 20
}).addTo(mymap);