I have noted that when issuing a gulp build and minifying the css with the gulp-cssnano plugin the z-index where modified sometimes. In my case from 5 to 2. To avpid modifications of the z-index I provided this solution.
Coverage remained the same at 100.0% when pulling bab5f4cccaf37376039c5f3a8de8fc9715252be3 on ovione:master into f0ba3bce42d9fd00a971541f7cd87a43800c37e9 on antonybudianto:master.
I have noted that when issuing a gulp build and minifying the css with the gulp-cssnano plugin the z-index where modified sometimes. In my case from 5 to 2. To avpid modifications of the z-index I provided this solution.
cheers