Reveal updates

Former-commit-id: 8dd6f17d22
Former-commit-id: a8ca9b4983

src/modules/reveal.less

@@ -87,7 +87,7 @@
   white-space: nowrap;
 }
 
-.ui.slide.reveal > * {
+.ui.slide.reveal > .content {
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   -ms-box-sizing: border-box;
@@ -326,7 +326,7 @@
      Instant
 ---------------*/
 
-.ui.instant.reveal > * {
+.ui.instant.reveal > .content {
   -webkit-transition-delay: 0s !important;
   -moz-transition-delay: 0s !important;
   -o-transition-delay: 0s !important;