Adding momentum scrolling on IOS

web/sass-files/sass/partials/_post_right.scss

@@ -93,7 +93,8 @@
 
 .post-right__scroll {
 	position: relative;
-	overflow: auto;
+	overflow: scroll;
+	-webkit-overflow-scrolling: touch;
 }
 
 .post-right-comment-time {

web/sass-files/sass/partials/_search.scss

@@ -67,8 +67,9 @@
 }
 
 .search-items-container {
-	overflow: auto;
 	position: relative;
+	overflow: scroll;
+	-webkit-overflow-scrolling: touch;
 }
 
 .search-results-header {

web/sass-files/sass/partials/_sidebar--left.scss

@@ -47,7 +47,8 @@
     .nav-pills__container {
         height: 100%;
         position: relative;
-        overflow: auto;
+        overflow: scroll;
+        -webkit-overflow-scrolling: touch;
     }
 
     .nav-pills__unread-indicator {