diff --git a/rhodecode/public/css/buttons.less b/rhodecode/public/css/buttons.less
--- a/rhodecode/public/css/buttons.less
+++ b/rhodecode/public/css/buttons.less
@@ -263,6 +263,10 @@ input[type="button"] {
             border-radius: @border-radius 0 0 @border-radius;
 
         }
+        // 2nd, if only 2 elements are there
+        &:nth-of-type(2) {
+            border-left-width: 0;
+        }
         // middle elements
         &:not(:first-of-type):not(:last-of-type) {
             border-radius: 0;
diff --git a/rhodecode/public/css/rcicons.less b/rhodecode/public/css/rcicons.less
--- a/rhodecode/public/css/rcicons.less
+++ b/rhodecode/public/css/rcicons.less
@@ -194,6 +194,7 @@
 .icon-comment-toggle:before { content: '\e830'; } /* '' */
 .icon-rhodecode:before { content: '\e831'; } /* '' */
 .icon-up:before { content: '\e832'; } /* '' */
+.icon-down:before { content: '\e832'; } /* '' */
 .icon-merge:before { content: '\e833'; } /* '' */
 .icon-spin-alt:before { content: '\e834'; } /* '' */
 .icon-spin:before { content: '\e838'; } /* '' */
@@ -235,6 +236,7 @@
 .icon-rss-sign:before { &:extend(.icon-feed:before); }
 .icon-code-fork:before {  &:extend(.icon-fork:before);  }
 .icon-arrow_up:before { &:extend(.icon-up:before); }
+.icon-arrow_down:before { &:extend(.icon-down:before); }
 .icon-file:before { &:extend(.icon-file-code:before); }
 .icon-file-text:before { &:extend(.icon-file-code:before); }
 .icon-directory:before { &:extend(.icon-folder:before); }
@@ -253,6 +255,8 @@
 .icon-merge:before {transform: rotate(180deg);}
 .icon-wide-mode:before {transform: rotate(90deg);}
 .icon-options:before {transform: rotate(90deg);}
+.icon-down:before {transform: rotate(180deg);}
+
 
 // -- END ICON CLASSES -- //
 
diff --git a/rhodecode/public/js/src/rhodecode.js b/rhodecode/public/js/src/rhodecode.js
--- a/rhodecode/public/js/src/rhodecode.js
+++ b/rhodecode/public/js/src/rhodecode.js
@@ -714,3 +714,11 @@ var getUserSessionAttr = function(key) {
     }
     return null
 }
+
+window.scrollDown = function () {
+    $(document).scrollTop($(document).height());
+}
+
+window.scrollUp = function scrollUp() {
+    $(window).scrollTop(0);
+}
diff --git a/rhodecode/public/js/src/rhodecode/pullrequests.js b/rhodecode/public/js/src/rhodecode/pullrequests.js
--- a/rhodecode/public/js/src/rhodecode/pullrequests.js
+++ b/rhodecode/public/js/src/rhodecode/pullrequests.js
@@ -397,6 +397,7 @@ window.ReviewersController = function ()
                     'user_group': reviewer_obj.user_group,
                     'create': true,
                     'rule_show': true,
+                    'rhodecode_user': templateContext.rhodecode_user
                 })
 
                 if (role === self.ROLE_REVIEWER) {
@@ -820,7 +821,8 @@ window.ReviewersPanel = {
                     'review_status': member.review_status,
                     'review_status_label': member.review_status_label,
                     'user_group': member.user_group,
-                    'create': false
+                    'create': false,
+                    'rhodecode_user': templateContext.rhodecode_user
                 });
 
                 $(self.controller.$reviewMembers.selector).append(entry)
@@ -915,7 +917,8 @@ window.ObserversPanel = {
                     'review_status': member.review_status,
                     'review_status_label': member.review_status_label,
                     'user_group': member.user_group,
-                    'create': false
+                    'create': false,
+                    'rhodecode_user': templateContext.rhodecode_user
                 });
 
                 $(self.controller.$observerMembers.selector).append(entry)
diff --git a/rhodecode/templates/codeblocks/diffs.mako b/rhodecode/templates/codeblocks/diffs.mako
--- a/rhodecode/templates/codeblocks/diffs.mako
+++ b/rhodecode/templates/codeblocks/diffs.mako
@@ -916,6 +916,16 @@ def get_comments_for(diff_type, comments
         <div class="sidebar__inner">
             <div class="sidebar__bar">
             <div class="pull-right">
+
+                <div class="btn-group" style="margin-right: 5px;">
+                    <a class="tooltip btn" onclick="scrollDown();return false" title="${_('Scroll to page bottom')}">
+                        <i class="icon-arrow_down"></i>
+                    </a>
+                    <a class="tooltip btn" onclick="scrollUp();return false" title="${_('Scroll to page top')}">
+                        <i class="icon-arrow_up"></i>
+                    </a>
+                </div>
+
                 <div class="btn-group">
                     <a class="btn tooltip toggle-wide-diff" href="#toggle-wide-diff" onclick="toggleWideDiff(this); return false" title="${h.tooltip(_('Toggle wide diff'))}">
                     <i class="icon-wide-mode"></i>
@@ -1004,7 +1014,6 @@ def get_comments_for(diff_type, comments
             </strong>
         </div>
         <div class="pull-right noselect">
-
             %if commit:
                 <span>
                     <code>${h.show_id(commit)}</code>
diff --git a/rhodecode/templates/pullrequests/pullrequest_show.mako b/rhodecode/templates/pullrequests/pullrequest_show.mako
--- a/rhodecode/templates/pullrequests/pullrequest_show.mako
+++ b/rhodecode/templates/pullrequests/pullrequest_show.mako
@@ -604,6 +604,7 @@
                         <i class="icon-circle review-status-${c.pull_request_review_status}"></i>
                         ${_('Reviewers')}
                     </span>
+
                     %if c.allowed_to_update:
                         <span id="open_edit_reviewers" class="block-right action_button last-item">${_('Edit')}</span>
                         <span id="close_edit_reviewers" class="block-right action_button last-item" style="display: none;">${_('Close')}</span>
@@ -644,7 +645,7 @@
                                 </div>
                             % endif
                             <div class="pull-right" style="margin-bottom: 15px">
-                                <button data-role="reviewer" id="update_reviewers" class="btn btn-small no-margin">${_('Save Changes')}</button>
+                                <button data-role="reviewer" id="update_reviewers" class="btn btn-sm no-margin">${_('Save Changes')}</button>
                             </div>
                         %endif
                         </div>
@@ -697,7 +698,7 @@
                                 </div>
                             % endif
                             <div class="pull-right" style="margin-bottom: 15px">
-                                <button data-role="observer" id="update_observers" class="btn btn-small no-margin">${_('Save Changes')}</button>
+                                <button data-role="observer" id="update_observers" class="btn btn-sm no-margin">${_('Save Changes')}</button>
                             </div>
                         %endif
                         </div>