Leaflet.ZoomCSS

Add zoom level css class to map element for easy style updates based on zoom levels

Install

Just include the leaflet.zoomcss.js file into your project.

done.

How it works

The plugin listens for zoomend events on the map, and updates a class on the map div element.

Example

When map zooms to zoomlevel 14, the div would have a class named z14 added to it

<div id="map" class="leaflet-container z14"> ... </div>

So in your css styles you could do something like:

.z14 .my-css-styled-labels{
    font-size: 12px;
    border: 1px solid grey;
}
.z15 .my-css-styled-labels{
    font-size: 10px;
    border: 1px solid grey;
}
.z16 .my-css-styled-labels{
    font-size: 8px;
    border: 0px;
}
.z13 .my-css-styled-labels, .z12 .my-css-styled-labels, .z11 .my-css-styled-labels, .z10 .my-css-styled-labels{
    display: none;
}

Another idea is to apply css-transitions for opacity animation on different zoom levels

Compatibility

Tested on Leaflet 1.2.0