Cleanup CSS

src/assets/css/librarybrowser.css

@@ -671,7 +671,7 @@
     margin: 1em 0;
 }
 
-.layout-mobile .detailimg-hidemobile {
+.layout-mobile .detailImageContainer {
     display: none;
 }
 

src/controllers/itemDetails/index.js

@@ -712,8 +712,6 @@ define(['loading', 'appRouter', 'layoutManager', 'connectionManager', 'userSetti
     }
 
     function renderDetailImage(elem, item, imageLoader) {
-        elem.classList.add('detailimg-hidemobile');
-
         const itemArray = [];
         itemArray.push(item);
         const cardHtml = cardBuilder.getCardsHtml(itemArray, {