EDIT

/**

 * @file

 * Positioning for a fixed-width, desktop-centric layout.

 *

 * Define CSS classes to create a table-free, 3-column, 2-column, or single

 * column layout depending on whether blocks are enabled in the left or right

 * columns.

 *

 * This layout uses the Zen Grids plugin for Compass: http://zengrids.com

 */

/*

 * Center the page.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000343}}

#page,

.region-bottom {

  /* If you want to make the page a fixed width and centered in the viewport,

   * this is the standards-compliant way to do that. */

  margin-left: auto;

  margin-right: auto;

  width: 980px;

}

/*

 * Apply the shared properties of grid items in a single, efficient ruleset.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000361}}

#header,

#content,

#navigation,

.region-sidebar-first,

.region-sidebar-second,

#footer {

  padding-left: 10px;

  padding-right: 10px;

  border: 0 !important;

  word-wrap: break-word;

}

/*

 * Containers for grid items and flow items.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass-extensions\/zen-grids\/stylesheets\/zen\/_grids\.scss}line{font-family:\0000352}}

#header:before, #header:after,

#main:before,

#main:after,

#footer:before,

#footer:after {

  content: "";

  display: table;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass-extensions\/zen-grids\/stylesheets\/zen\/_grids\.scss}line{font-family:\0000356}}

#header:after,

#main:after,

#footer:after {

  clear: both;

}

/*

 * Navigation bar

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000379}}

#main {

  padding-top: 3em;

  /* Move all the children of #main down to make room. */

  position: relative;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000383}}

#navigation {

  position: absolute;

  top: 0;

  /* Move the navbar up inside #main's padding. */

  height: 3em;

  width: 960px;

}

/*

 * The layout when there is only one sidebar, the left one.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000395}}

.sidebar-first #content {

  /* Span 4 columns, starting in 2nd column from left. */

  float: left;

  width: 764px;

  margin-left: 196px;

  margin-right: -980px;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\0000399}}

.sidebar-first .region-sidebar-first {

  /* Span 1 column, starting in 1st column from left. */

  float: left;

  width: 176px;

  margin-left: 0px;

  margin-right: -196px;

}

/*

 * The layout when there is only one sidebar, the right one.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\00003109}}

.sidebar-second #content {

  /* Span 4 columns, starting in 1st column from left. */

  float: left;

  width: 764px;

  margin-left: 0px;

  margin-right: -784px;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\00003113}}

.sidebar-second .region-sidebar-second {

  /* Span 1 column, starting in 5th column from left. */

  float: left;

  width: 176px;

  margin-left: 784px;

  margin-right: -980px;

}

/*

 * The layout when there are two sidebars.

 */

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\00003123}}

.two-sidebars #content {

  /* Span 3 columns, starting in 2nd column from left. */

  float: left;

  width: 568px;

  margin-left: 196px;

  margin-right: -784px;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\00003127}}

.two-sidebars .region-sidebar-first {

  /* Span 1 column, starting in 1st column from left. */

  float: left;

  width: 176px;

  margin-left: 0px;

  margin-right: -196px;

}

@media -sass-debug-info{filename{font-family:file\:\/\/\/home\/andreas\/workspaces\/www\/drupal-7\.16\/sites\/all\/themes\/zen_dataportal\/sass\/layouts\/fixed-width\.scss}line{font-family:\00003131}}

.two-sidebars .region-sidebar-second {

  /* Span 1 column, starting in 5th column from left. */

  float: left;

  width: 176px;

  margin-left: 784px;

  margin-right: -980px;

}