@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("plus.google.com") {

}
/* Expand Usable Area to Hide Gray Sidebars */
div[class='c-r-C-V c-C c-r-C-Eb-jc'] 
{ position: relative !important; 
  width: 100% !important;
  }

/* Expand Center Column */
div[class='c-r-P-V c-r-P-V-wk-Eb'] 
{ position: relative !important; 
  width: 87% !important;
  }

/* Reduce Left Column */
div[class='c-r-Qa-V a-l-k c-i-r-Qa-V'] 
{ position: relative !important; 
  width: 12% !important;
  }

/* Hide Right Column */
div[class='c-i-cH-V c-cH-V a-l-k'] 
{ display: none !important;
}