Anyone know why or came across where 2 installations of the same version have different styles especially the width of columns? e.g .page-layout-? columns .sidebar-main changed from 20.83333333%; to 16.66666667%; which is quite considerably to me.

I've installed about 2 months ago 2.1.7 on my local server. Now I have installed same version 2.1.7 on a remote server but this file totally different and I can tell I have not changed any of this core files. Here is is link diff diffchecker.


  • @Nikunj Vadarya thank's for the edit suggestion, most importantly do you have any information why this have changed or heard of? Commented Aug 3, 2017 at 9:37
  • which theme you are selected Commented Aug 3, 2017 at 11:27
  • both setup are luma theme? Commented Aug 3, 2017 at 11:27
  • @Sagar, I have my custom module set up parent like this. <parent>Magento/luma</parent>. Yes both of them Commented Aug 3, 2017 at 13:27
  • Ooh I found something that could help debug this. I notice when I run php bin/magento setup:upgrade then style-l.css changed back that means if you check the diffchecker it's using the one on the right. with smaller width. Commented Aug 3, 2017 at 13:40

1 Answer 1


Ok I found out why it was changing the style-l.css. So there a tiny bit of discrepancy there on my local server I had in my web folder custom theme web/css/source/_theme.less and I had changed the @button__background but I did not have _theme.less on the remote server. Now there is another question which is why when I have web/css/source/_theme.less file in my custom theme the styles also change s even if there is nothing in it?

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