I am using Omega / Delta / Context, and am trying to make the content zone a little wider than its surrounding regions using negative margins but the

.container-12 { margin-left: auto; margin-right: auto; width: 1200px; }

class overrides my attempts to change margins or width with CSS via class names (ie, using Theme Settings => Zone and Region Configuration => Context Section => Content Zone => Configuration => Additional zone classes)

How can I accomplish this?

  • 1
    Just a side note, but messing with the grid dimensions can really break layouts unless you really work out the consequences.
    – mpdonadio
    Commented Jan 21, 2013 at 18:08
  • Point taken but it's a design requirement that must be implemented.
    – user320691
    Commented Jan 21, 2013 at 19:58

1 Answer 1


OK, you really have two options.

One is to put a more specific rule in your media query sheets. So, you would need to place a rule in mytheme-alpha-default-wide.css Normally, this comes before the grid sheet, so you either need a more specific rule or !important.

.zone-content .container-12 { width: 1300px !important; }

Your second option is to implement implement a hook_css_alter(), find the wide sheet for your grid system (eg, alpha-default-wide-24.css), and then swap it out with your own version. Then, in your own version you can do something like:

.container-12 { margin-left: auto; margin-right: auto; width: 1200px; }
.zone-content .container-12 { width: 1300px; }

And, as a side note, you will likely have issues due to redefining the grid width. The grid classes inside it will not work as expected.

  • I wound up going with your first suggestion. The CSS looks like .zone-content .container-12 { width: 1216px !important; padding-left: 16px; } I had to balance the extra pixel width with an equivalent number of pixels of left padding. Thank you @MPD!
    – user320691
    Commented May 29, 2013 at 3:39

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