diff --git a/src/data/action/set.cpp b/src/data/action/set.cpp
index 3a4fbfce..af68a0a0 100644
--- a/src/data/action/set.cpp
+++ b/src/data/action/set.cpp
@@ -77,3 +77,27 @@ void ReorderCardsAction::perform(bool to_undo) {
 	assert(card_id2 < set.cards.size());
 	swap(set.cards[card_id1], set.cards[card_id2]);
 }
+
+// ----------------------------------------------------------------------------- : Change stylesheet
+
+
+String ChangeCardStyleAction::getName(bool to_undo) const {
+	return _("Change style");
+}
+void ChangeCardStyleAction::perform(bool to_undo) {
+	swap(card->stylesheet, stylesheet);
+}
+
+String ChangeSetStyleAction::getName(bool to_undo) const {
+	return _("Change style (all cards)");
+}
+void ChangeSetStyleAction::perform(bool to_undo) {
+	if (!to_undo) {
+		stylesheet       = set.stylesheet;
+		set.stylesheet   = card->stylesheet;
+		card->stylesheet = StyleSheetP();
+	} else {
+		card->stylesheet = set.stylesheet;
+		set.stylesheet   = stylesheet;
+	}
+}
diff --git a/src/data/action/set.hpp b/src/data/action/set.hpp
index 1bd62303..6b678135 100644
--- a/src/data/action/set.hpp
+++ b/src/data/action/set.hpp
@@ -19,6 +19,7 @@
 
 class Set;
 DECLARE_POINTER_TYPE(Card);
+DECLARE_POINTER_TYPE(StyleSheet);
 
 // ----------------------------------------------------------------------------- : Add card
 
@@ -73,5 +74,36 @@ class ReorderCardsAction : public CardListAction {
 	const size_t card_id1, card_id2;	///< Positions of the two cards to swap
 };
 
+// ----------------------------------------------------------------------------- : Change stylesheet
+
+/// Changing the style of a a card
+class ChangeCardStyleAction : public Action {
+  public:
+	ChangeCardStyleAction(const CardP& card, const StyleSheetP& stylesheet)
+		: card(card), stylesheet(stylesheet) {}
+	
+	virtual String getName(bool to_undo) const;
+	virtual void   perform(bool to_undo);
+	
+  //private:
+	CardP       card;			///< The affected card
+	StyleSheetP stylesheet;		///< Its new stylesheet
+};
+
+/// Changing the style of a set to that of a card
+class ChangeSetStyleAction : public Action {
+  public:
+	ChangeSetStyleAction(Set& set, const CardP& card)
+		: set(set), card(card) {}
+	
+	virtual String getName(bool to_undo) const;
+	virtual void   perform(bool to_undo);
+	
+  private:
+	Set&        set;			///< The affected set
+	CardP       card;			///< The card whos stylesheet is copied to the set
+	StyleSheetP stylesheet;		///< The old stylesheet of the set
+};
+
 // ----------------------------------------------------------------------------- : EOF
 #endif