Please post url, superuser ID and password in the secure tab of your reply and I will look for you.
Regards, Mark.
Please search forums before posting. Please make sure your post includes the version of the CMS you are using and a link to the problem. Annotations on screenshots can also be helpful to explain problems/goals. Please use the "secure" tab for confidential information.
There was a g-fluid-navigation class in the section settings that was not allowing the particles to use their respective widths. I removed that and now you can make adjustments.