Unusual error with carousel and parralax

Question

I am trying to debug a unusual error where when the carousel button is pushed the parallax background image flickers until the carousel has completed its movement. I am at a loss as to how to debug it.

The live version can be seen here

It is this section here. So the large image flickrs when the carousel is pressed.

I am using Chrome on Mac

Answer 1

This is a well known bug in chrome relating to background-attachment: fixed. A quick fix is to set position: static on the effected element, in your case you would set it on twitterbackground

.twitterbackground
{
  position: static;
  ...
}