Animate figcaption disappearance

static/css/main.css

@@ -270,7 +270,8 @@ figure figcaption {
 	width: calc(100% - 2 * var(--caption-hmargin));
   -webkit-transform: translateY(100%);
       -ms-transform: translateY(100%);
-          transform: translateY(100%);
+					transform: translateY(100%);
+	transition: .3s ease;	
 }
 figure:hover figcaption {
   -webkit-transform: translateY(0);