Hi. Some of my PNG images are showing up as black blocks. E.g.
If you scroll down the page, some of the PNG images are clearly messed up, but if you click on them, they display correctly.
For example, this is messed up:
But this is fine:
I can change the HTML code directly in all problematic articles, but it'd be a pain. Weird thing is, when I created that article last year, everything was fine.
Any one with similar experiences? Thanks.
The blog I need help with is simomaths.wordpress.com.