UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Steps to reproduce the problem:
1. set parent element style background-repeat: no-repeat，background-size: cover, background-image:url(https://img.alicdn.com/tfs/TB1q8RLmPDpK1RjSZFrXXa78VXa-192-192.png)
2.set parent element style background-color
3.set parent element width: 104.656px

What is the expected behavior?
the element background-color can not see, becase background-size cover

What went wrong?
Can see the element has a background color of about 1 pixel

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 69.0.3497.100  Channel: n/a
OS Version: OS X 10.13.6
Flash Version:
 

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background.html 2.2 KB View Download

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	WX20181102-164839@2x.png 142 KB View Download