The map is not fixed size in the firefox browser. While scrolling, and viewing the map page, the map size changes. Showing below is the sample map. Issue found in Firefox browser only.

CSS code for map size:

Solution:
The issue is on overflow – hidden. Firefox and Android browsers have problems with this overflow-hidden.
We can use a clip or rect CSS property for fixed the frame size. Then we need to change the position is absolute.
Now, the issue is solved in the firebox.
