I'm not sure it has been raised before as this is not a stack I come to. I've seen this ad on another stack:

[![enter image description here][1]][1]

My eyes started to bleed. 

Ok, not that much, but since my vision could be better, I really had trouble reading what's on there. So I put on my glasses and have the same issue. 

Perhaps the colour of the font should be changed to white, with a blue drop shadow instead. Anyways, I'm not really there to suggest anything, I'm no designer.. It's just that now it's really hard to read. 

  [1]: https://i.sstatic.net/FOxLd.png