Add media title popups.

src/scss/media-carousel.scss

@@ -2,7 +2,6 @@
   --video-max-height: none;
 }
 
-
 .embla__container {
   // To support adaptive height animations.
   transition: max-height 0.5s ease;

src/scss/title-control.scss

@@ -0,0 +1,8 @@
+:host {
+  --paper-toast-background-color: rgba(0,0,0,0.6);
+  --paper-toast-color: white;
+}
+
+paper-toast {
+  max-width: unset;
+}