Use with 'Stylish' for Chrome to remove most of the garbage on facebook.com.

facebook.css

.fbx #globalContainer#globalContainer {
  width: 721px;
}

#rightCol,
#pagelet_bookmark_nav,
.groupsCoverPhoto.fbTimelineSection,
#pagelet_sidebar,
.uiStreamStoryAttachmentOnly {
  display: none;
}

.hasLeftCol #headerArea {
  width: 499px;
}

#pageHead {
  width: 715px !important;
}