Make user text on old reddit span whole left side by rovanion

/* ==UserStyle==
@name           Make user text old reddit span whole left hand side
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    Make post content span the whole space left of the right sidebar.
@author         Rovanion
==/UserStyle== */
@-moz-document domain("reddit.com") {
  .comments-page .sitetable .entry {
    overflow: visible;
  }
  .comments-page .sitetable .entry .expando {
    width: calc(100vw - 350px);
  }
  .comments-page .commentarea .entry {
    overflow: hidden;
  }
}