Strange Box-shadow bug on Chrome 51 while scrolling
So while making a website I discovered a strange box-shadow bug on Chrome 51, my website has a fixed header with a box-shadow , and when I scroll up or down the box-shadow leaves some marks (horizontal gray lines) : Also I can't reproduce this bug on a jsfiddle ( link of the fiddle ) and on other browsers like Firefox or Internet Explorer. Is it a bug? What could be the problem? UPDATE 1 It seems to work on Chrome 49 I encountered this bug. I don't know what causes this but here's a simple way to fix it: Add 0.1px to the shadow's blur box-shadow: 0 2px 0.1px #yourcolor; The lines should