Device name:
Galaxy S5
From "Settings > About Chrome"
Application version:51.0.2704.81
OS:5.0

URLs (if applicable):

Behavior in Android Browser (if applicable):
Css Background-image behaviour  has changed, 

	background-position: center top;
	background-attachment: fixed;
	background-size: cover;
	-webkit-background-position: center top;
	-webkit-background-attachment: fixed;
	-webkit-background-size: cover;

doesn't seem to be working

Steps to reproduce:
(1)
(2)
(3)

Expected result:


Actual result: