Refactor css.

src/scss/card.scss

@@ -4,41 +4,26 @@
 
 .frigate-card-contents {
   width: 100%;
-
-  max-height: 277px;        /* Max Lovelace 16/9 video height */
   height: 100%;
   aspect-ratio: 16 / 9;
   overflow: auto;
-}
 
-.frigate-card-viewer {
-  width: 100%;
-
-  height: 100%;
-  aspect-ratio: 16 / 9;
-}
-
-.frigate-card-gallery {
-  overflow: auto;
   -ms-overflow-style: none; /* Hide scrollbar: IE and Edge */
   scrollbar-width: none;    /* Hide scrollbar: Firefox */
-
-  height: 100%;
-  aspect-ratio: 16 / 9;
 }
 
 /* Hide scrollbar for Chrome, Safari and Opera */
-.frigate-card-gallery::-webkit-scrollbar {
+.frigate-card-contents::-webkit-scrollbar {
   display: none;
 }
 
-.frigate-card-attention {
+.frigate-card-contents.attention {
   display: flex;
   justify-content: center;
   align-items: center;
-  padding: 0% 5% 0% 5%;
 
-  height: 100%;
+  box-sizing: border-box;
+  padding: 5%;
 }
 
 .frigate-card-image-list {