Demo problem

[valerio-bozzolan]

Hi all! I've checked the demo and the tileserver has some problems:

https://publiclab.github.io/leaflet-blurred-location-display/examples/HumanReadableBlurring.html

It's maybe an easy fix, adopting OpenStreetMap default tileserver.

Here a screenshot:

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Originally from:

publiclab/leaflet-blurred-location#266

Thank you so much! :)

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