UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.75 Safari/537.36

Example URL:
https://jsfiddle.net/m8x91Lj2/

Steps to reproduce the problem:
1. Create parent span element with CSS rules: {display: inline; position: relative;}
2. Create child span element with CSS rules {float: left}

What is the expected behavior?
Child element should be displayed.

What went wrong?
Child element is not visible

https://jsfiddle.net/m8x91Lj2/

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes Version 49.0.2623.112 m

Does this work in other browsers? Yes 

Chrome version: 50.0.2661.75  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 21.0 r0