Halloween theme causes page to flicker.

[analblaze]

https://vgy.me/PBVmLP.gif

[nar001]

Same issue here

[David1544]

https://dl.dropboxusercontent.com/u/79479793/ShareX/2016/10/2016-10-31_13-05-48.webm

Same, I'm just gonna disable it for the event, as it might take a few days for the bug to be found

[ccd0]

You can fix it by adding this to Custom CSS (bottom of the Advanced tab of the settings):

:root.blink {
  -webkit-animation: none;
  animation: none;
}

[David1544]

Awesome, thanks

[im-n1]

This bug is old as shit but still there.
Solution from @ccd0 fixes it.