diff --git a/.revealjs/ntn.css b/.revealjs/ntn.css
index b78d335..48833ae 100644
--- a/.revealjs/ntn.css
+++ b/.revealjs/ntn.css
@@ -78,7 +78,7 @@ body {
 /*********************************************
  * OTHER
  *********************************************/
-.reveal p {
+.reveal p, .reveal figcaption {
   display: table;
   margin: 0px auto 0px auto;
   background-color: rgba(0,0,0,0.8);