Update AdsenseController to show ads to fit space

src/scss/classes.scss

@@ -65,7 +65,7 @@ All rights reserved.
 }
 
 .sidebar {
-    position: relative; width: 18.75%;
+    position: relative; width: 18.75%; height: 100%;
 
     display: inline-block;
     padding: 1em;

src/scss/templates/adsense.scss

@@ -6,19 +6,14 @@ All rights reserved.
 */
 
 .view__adsense {
-    display: inline-block;
-    margin: 3em 0;
 
-    &:first-child {
-        margin-top: 0;
-    }
+    .sidebar_skyscraper  {
+        position: relative; width: 160px; height: 600px;
+        border: 0.1em solid $color-gray-faint;
+        margin: 3em 0;
 
-    &.sidebar_skyscraper  {
-        position: relative; width: 160px !important; height: 600px !important;
-    }
-
-    &.placeholder {
-        background: rgba(192, 192, 255, 0.5);
-        border: 0.1em solid $color-gray-medium;
+        &:first-child {
+            margin-top: 0;
+        }
     }
 }