@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document url-prefix("http://www.tumblr.com/dashboard"), url-prefix('https://www.tumblr.com/dashboard')  {
#container{width:2300px !important;margin:0 !important;padding:0px 25px !important}
#left_column{
float:left !important;
width:1980px !important;
-moz-column-count: 3 !important;
-moz-column-gap: 25px !important;
}
}