Color of link in mission space on main page

To suppress this problem, some code has been commented in file style.css

/*
.mission a:link, .mission a:visited {
  color: #9cf;
}
*/

At the moment links in email are not underlined by the mouse.
Other modifications are also presented in a comment of the following issue:
http://drupal.org/node/445260#comment-1520844
#445260: Exemples of adaptation of foliage to particular web sites