Use overflow-y: auto instead of overflow-y: scroll

app/assets/stylesheets/_notes.scss

@@ -93,7 +93,7 @@
       .windows-web &, .windows-desktop & {
         overflow-y: hidden;
         &:hover {
-          overflow-y: scroll;
+          overflow-y: auto;
           overflow-y: overlay; // overlay is not supported on ff, so keep previous statement up
         }
       }

app/assets/stylesheets/_tags.scss

@@ -32,7 +32,7 @@
     // Unfortunately must affect every platform since no way to hide just for Windows.
     overflow-y: hidden;
     &:hover {
-      overflow-y: scroll;
+      overflow-y: auto;
       overflow-y: overlay; // overlay is not supported on ff, so keep previous statement up
     }
   }

dist/stylesheets/app.css

@@ -2018,7 +2018,7 @@ a.disabled {
     height: inherit;
     overflow-y: hidden; }
     .tags .infinite-scroll:hover {
-      overflow-y: scroll;
+      overflow-y: auto;
       overflow-y: overlay; }
   .tags .no-tags-placeholder {
     padding: 0px 12px;
@@ -2148,7 +2148,7 @@ a.disabled {
     .windows-web #notes-column .infinite-scroll, .windows-desktop #notes-column .infinite-scroll, .windows-web .notes .infinite-scroll, .windows-desktop .notes .infinite-scroll {
       overflow-y: hidden; }
       .windows-web #notes-column .infinite-scroll:hover, .windows-desktop #notes-column .infinite-scroll:hover, .windows-web .notes .infinite-scroll:hover, .windows-desktop .notes .infinite-scroll:hover {
-        overflow-y: scroll;
+        overflow-y: auto;
         overflow-y: overlay; }
   #notes-column .note, .notes .note {
     width: 100%;