Hi 
Yesterday this happened to me also. I zoomed in and out in my Editor for a while and I reloaded the tab and I tried to preview again and then back to normal.
I hope this will work for you also.
Thank you
Hi
Yesterday this happened to me also. I zoomed in and out in my Editor for a while and I reloaded the tab and I tried to preview again and then back to normal.
I hope this will work for you also.
Thank you