.hide .target       { display:none }
     .trigger       { color:inherit; cursor:pointer; color: #0000FF; text-decoration:underline; }

/*
.hide .trigger       { color: #0000FF; text-decoration:underline; }
      .trigger:after { content:url(../_img/base/hide.png) ; padding-left:0.3em; vertical-align:-1px }
.hide .trigger:after { content:url(../_img/base/show.png) }
.trigger:hover       { color: #0000FF; text-decoration:underline; }
*/