diff --git a/src/ui/MainWinddow.ui b/src/ui/MainWinddow.ui
index 053f60f..c17a382 100644
--- a/src/ui/MainWinddow.ui
+++ b/src/ui/MainWinddow.ui
@@ -61,16 +61,16 @@
         <property name="bottomMargin">
          <number>0</number>
         </property>
-         <item>
-          <widget class="QLabel" name="projectPath">
-           <property name="text">
-            <string>Kein Projekt geladen</string>
-           </property>
-           <property name="styleSheet">
-            <string notr="true">QLabel { padding: 5px; font-weight: bold; }</string>
-           </property>
-          </widget>
-         </item>
+        <item>
+         <widget class="QLabel" name="projectPath">
+          <property name="styleSheet">
+           <string notr="true">QLabel { padding: 5px; font-weight: bold; }</string>
+          </property>
+          <property name="text">
+           <string>Kein Projekt geladen</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <widget class="QTreeWidget" name="treeWidget">
           <property name="sizePolicy">
@@ -79,6 +79,16 @@
             <verstretch>0</verstretch>
            </sizepolicy>
           </property>
+          <property name="styleSheet">
+           <string notr="true">QTreeWidget::item {
+	padding: 4px 4px;
+}
+
+QTreeWidget::item:selected {
+	background-color: palette(highlight);
+	color: palette(highlighted-text);
+}</string>
+          </property>
           <property name="columnCount">
            <number>3</number>
           </property>
diff --git a/src/ui/MainWinddow_ui.py b/src/ui/MainWinddow_ui.py
index cd298fb..1e800c3 100644
--- a/src/ui/MainWinddow_ui.py
+++ b/src/ui/MainWinddow_ui.py
@@ -95,6 +95,14 @@ class Ui_MainWindow(object):
         sizePolicy1.setVerticalStretch(0)
         sizePolicy1.setHeightForWidth(self.treeWidget.sizePolicy().hasHeightForWidth())
         self.treeWidget.setSizePolicy(sizePolicy1)
+        self.treeWidget.setStyleSheet(u"QTreeWidget::item {\n"
+"	padding: 4px 4px;\n"
+"}\n"
+"\n"
+"QTreeWidget::item:selected {\n"
+"	background-color: palette(highlight);\n"
+"	color: palette(highlighted-text);\n"
+"}")
         self.treeWidget.setColumnCount(3)
         self.treeWidget.header().setHighlightSections(True)
         self.treeWidget.header().setStretchLastSection(True)
diff --git a/src/ui/MainWindow.py b/src/ui/MainWindow.py
index 9f5a1bc..d47f8c8 100644
--- a/src/ui/MainWindow.py
+++ b/src/ui/MainWindow.py
@@ -134,9 +134,6 @@ class MainWindow(
         # Kontextmenü für TreeWidget einrichten
         self._setup_tree_context_menu()
 
-        # TreeWidget Styling für größeren vertikalen Abstand
-        self._setup_tree_widget_styling()
-
         # Drag&Drop für TreeWidget aktivieren
         self._setup_drag_drop()
 
diff --git a/src/ui/XmlToXslAssignDialog.ui b/src/ui/XmlToXslAssignDialog.ui
index b1c318f..42667a7 100644
--- a/src/ui/XmlToXslAssignDialog.ui
+++ b/src/ui/XmlToXslAssignDialog.ui
@@ -42,6 +42,16 @@
    </item>
    <item>
     <widget class="QTreeWidget" name="xslNodesTree">
+     <property name="styleSheet">
+      <string notr="true"> QTreeWidget::item {
+	 padding: 4px 4px;
+ }
+
+QTreeWidget::item:selected {
+	background-color: palette(highlight);
+	color: palette(highlighted-text);
+}</string>
+     </property>
      <property name="headerHidden">
       <bool>false</bool>
      </property>
diff --git a/src/ui/XmlToXslAssignDialog_ui.py b/src/ui/XmlToXslAssignDialog_ui.py
index b3a7131..db9a107 100644
--- a/src/ui/XmlToXslAssignDialog_ui.py
+++ b/src/ui/XmlToXslAssignDialog_ui.py
@@ -3,7 +3,7 @@
 ################################################################################
 ## Form generated from reading UI file 'XmlToXslAssignDialog.ui'
 ##
-## Created by: Qt User Interface Compiler version 6.9.2
+## Created by: Qt User Interface Compiler version 6.10.1
 ##
 ## WARNING! All changes made in this file will be lost when recompiling UI file!
 ################################################################################
@@ -42,6 +42,14 @@ class Ui_XmlToXslAssignDialog(object):
 
         self.xslNodesTree = QTreeWidget(XmlToXslAssignDialog)
         self.xslNodesTree.setObjectName(u"xslNodesTree")
+        self.xslNodesTree.setStyleSheet(u" QTreeWidget::item {\n"
+"	 padding: 4px 4px;\n"
+" }\n"
+"\n"
+"QTreeWidget::item:selected {\n"
+"	background-color: palette(highlight);\n"
+"	color: palette(highlighted-text);\n"
+"}")
         self.xslNodesTree.setHeaderHidden(False)
         self.xslNodesTree.setColumnCount(3)
         self.xslNodesTree.header().setVisible(True)
diff --git a/src/ui/mixins/tree_manager.py b/src/ui/mixins/tree_manager.py
index 276670b..038fd76 100644
--- a/src/ui/mixins/tree_manager.py
+++ b/src/ui/mixins/tree_manager.py
@@ -56,36 +56,6 @@ class TreeManagerMixin:
 
         logger.debug("Kontextmenü und Selection-Handler für TreeWidget eingerichtet")
 
-    def _setup_tree_widget_styling(self):
-        """Richtet das Styling für das TreeWidget ein, um den vertikalen Abstand zu vergrößern."""
-        try:
-            # Stylesheet für größeren vertikalen Abstand zwischen Items
-            tree_stylesheet = """
-            QTreeWidget::item {
-                padding: 4px 4px;
-            }
-
-            QTreeWidget::item:selected {
-                background-color: palette(highlight);
-                color: palette(highlighted-text);
-            }
-            /*
-            QTreeWidget::item:hover {
-                background-color: palette(alternate-base);
-            }
-            */
-            QTreeWidget::branch {
-                /*margin: 2px 0px;*/
-            }
-            """
-
-            # Wende das Stylesheet auf das TreeWidget an
-            self.ui.treeWidget.setStyleSheet(tree_stylesheet)
-            logger.debug("TreeWidget Styling für größeren vertikalen Abstand angewendet")
-
-        except Exception as e:
-            logger.error(f"Fehler beim Anwenden des TreeWidget-Stylings: {e}")
-
     def _show_tree_context_menu(self, position):
         """
         Zeigt das Kontextmenü für das TreeWidget an.