Merge pull request #1960 from open-sausages/pulls/4.0/fine-tune-buttons

FIX Fine-tune button styles

code/Controllers/CMSPageHistoryController.php

@@ -200,7 +200,9 @@ class CMSPageHistoryController extends CMSMain
             $revert = FormAction::create(
                 'doRollback',
                 _t('SilverStripe\\CMS\\Controllers\\CMSPageHistoryController.REVERTTOTHISVERSION', 'Revert to this version')
-            )->setUseButtonTag(true)
+            )
+                ->setUseButtonTag(true)
+                ->addExtraClass('font-icon-back-in-time')
         );
         $actions->setForm($form);
         $form->setActions($actions);

code/Model/SiteTree.php

@@ -2253,7 +2253,7 @@ class SiteTree extends DataObject implements PermissionProvider, i18nEntityProvi
         }
 
         // "save", supports an alternate state that is still clickable, but notifies the user that the action is not needed.
-        $noChangesClasses = 'btn-outline-secondary font-icon-check-mark';
+        $noChangesClasses = 'btn-outline-primary font-icon-tick';
         if ($canEdit && $isOnDraft) {
             $majorActions->push(
                 FormAction::create('save', _t(__CLASS__.'.BUTTONSAVED', 'Saved'))