style(portals): cosmetic style improvements

src/app/xtream/detail-view.scss

@@ -23,7 +23,7 @@
 
 .image {
     width: 300px;
-    padding: 10px;
+    padding: 20px 10px;
 
     .placeholder-cover {
         width: 300px;
@@ -42,6 +42,7 @@
 .image img {
     max-width: 100%;
     height: auto;
+    border-radius: 5px;
 }
 
 @media (max-width: 800px) {