Style definitions needed to format images on the stage display.

src/app/components/stage-view/stage-view.component.scss

@@ -0,0 +1,20 @@
+.active-slide-img {
+  /* properly size current slide thumbnail */
+  /* relative sizes might not work in real world */
+  /* If we get larger thumbnail sizes, we want to limit their size */
+  max-height: 75%;
+  min-height: 250px;
+}
+.active-slide-img-text {
+  font-size: 1.8rem;
+}
+.next-slides-img {
+  /* properly size thumbnail displayed in 2nd and subsequent slides */
+  /* If we get larger thumbnail sizes, we want to limit their size */
+  max-height: 20%;
+  min-height: 100px;
+}
+
+.next-slides-text {
+  font-size: 1.4rem;
+}