On a Sharepoint 2013 on-premise when we open a page with the parameter
IsDlg=1 the ribbon gets squeezed on Chrome (it looks OK on Firefox and IE), even if the ribbon has plenty of space.
Here is how it looks like with Chrome:
And what we except to see (behavior in IE and Firefox):
I searched into the different JS files loaded by Sharepoint but I haven't been able to find how to change/fix this behavior.
Our masterpage has the HTML5 doctype.
Any help will be appreciated.