Add reactive styles for Tablets

src/client/site/common/inventory/inventory.scss

@@ -38,12 +38,12 @@
         margin-top: $size-margin-large;
 
         .item-selector {
-            flex         : 85%;
+            flex         : 80%;
             margin-right : $size-margin-medium;
         }
 
         .clear {
-            flex : 15%;
+            flex : 20%;
         }
     }
 }

src/client/site/common/item_group/item_group.scss

@@ -14,6 +14,10 @@
         .view__item_tile {
             margin-bottom: $size-margin-medium;
             width: calc(33% - 8px); // $size-margin-xsmall * 2
+
+            @include screen-size(tablet) {
+                width: calc(50% - 8px); // $size-margin-xsmall * 2
+            }
         }
     }
 }

src/client/site/common/video/video.jade

@@ -6,5 +6,5 @@
 //-
 
 .view__video
-    iframe(width="356", height="267", src="", frameborder="0", allowfullscreen="true")
+    iframe(src="", frameborder="0", allowfullscreen="true")
     .caption: p