diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
index c3934ad5..3190e83f 100644
--- a/app/assets/stylesheets/application.css
+++ b/app/assets/stylesheets/application.css
@@ -2025,6 +2025,18 @@ div.mapInfoStat {
 .blackBox .metacodeSetsDescription {
     width: 314px;
 }
+.blackBox td.metacodeSetDesc {
+     width: 314px;
+     word-wrap: break-word;
+}
+.blackBox .metacodeSetImage {
+    width:40px;
+    height:40px;
+    float:left;
+}
+.blackBox tr {
+    display:table-row;
+}
 .blackBox tr:nth-child(odd) {
     background: rgba(0, 0, 0, 0.2);
 }
diff --git a/app/views/metacode_sets/index.html.erb b/app/views/metacode_sets/index.html.erb
index 37aa2d3b..a3df5c3e 100644
--- a/app/views/metacode_sets/index.html.erb
+++ b/app/views/metacode_sets/index.html.erb
@@ -19,10 +19,10 @@
       <%= link_to 'Edit', edit_metacode_set_path(metacode_set) %><br />
       <%= link_to 'Delete', metacode_set, method: :delete, data: { confirm: 'Are you sure?' } %>
     </td>
-    <td><%= metacode_set.desc %></td>
-    <td style='position:relative;'>
+    <td class='metacodeSetDesc'><%= metacode_set.desc %></td>
+    <td>
       <% metacode_set.metacodes.each_with_index do |metacode, index| %>
-        <img width='40' style='float:left;' src='<%= metacode.icon %>' />
+        <img class='metacodeSetImage' src='<%= metacode.icon %>' />
         <% if (index+1)%4 == 0 %>
         <div class='clearfloat'></div>
         <% end %>
@@ -36,6 +36,9 @@
 
 <script>
 $(document).ready(function() {
-  $('.blackBox').height( (parseInt($('body').height()) - 40) ).mCustomScrollbar({ advanced: { updateOnContentResize: true }});
+  $('.blackBox').height( (parseInt($('body').height()) - 40) ).mCustomScrollbar({ 
+      mouseWheelPixels: 200,
+      advanced: { updateOnContentResize: true }
+  });
 });
 </script>
\ No newline at end of file
diff --git a/app/views/metacodes/index.html.erb b/app/views/metacodes/index.html.erb
index 323af079..ea063b92 100644
--- a/app/views/metacodes/index.html.erb
+++ b/app/views/metacodes/index.html.erb
@@ -26,6 +26,9 @@
 
 <script>
 $(document).ready(function() {
-  $('.blackBox').height( (parseInt($('body').height()) - 40) ).mCustomScrollbar({ advanced: { updateOnContentResize: true }});
+  $('.blackBox').height( (parseInt($('body').height()) - 40) ).mCustomScrollbar({ 
+      mouseWheelPixels: 200,
+      advanced: { updateOnContentResize: true }
+  });
 });
 </script>
\ No newline at end of file