Chrome Version       : Version 52.0.2743.82 (64-bit)
URLs (if applicable) :   https://www.amazon.com/gp/adlp/flexcareconnected#WhyUseIt?
OS version               : OS X El Capitan
Network (such as Cable/DSL/Dial up etc):  
Audio/Video format (if applicable):
Special chrome flags (if applicable):

Behavior in Safari (if known): cannot reproduce
Behavior in Firefox (if known):cannot reproduce

Video issue, Audio issue, both, neither?
When scrolling the page, element on top of video will disappear

<b>Flash or HTML5?  <right-clicking most players will either reveal some text</b>
with “Flash”; otherwise likely HTML5>

If the browser or renderer crashed (“Aw, Snap”), please add any crash
IDs from chrome://crashes  (possibly after enabling crash reporting per
http://support.google.com/chrome/bin/answer.py?hl=en&answer=96817)

What steps will reproduce the problem?
(1) Load the page on your browser (try large or small view port)
(2) Scroll the page to the bottom and then scroll back to top
(3) The Buybox element (fixed position) on top of video will disappear

What is the expected result?
Element will always appear on the page.

What is the actual result?

Any additional information (anything else which may help us debug the
issue)?
It happens intermittently and only happens when you scroll back and forth

Please attach the HTML5/JavaScript code or audio/video files as well as
screenshot and/or videos (if applicable)