Qml Designer: fix styling of ComBox popup

share/qtcreator/qmldesigner/propertyeditor/Qt/propertyEditor.css

@@ -388,6 +388,7 @@ QMenu {
      padding: 2px;
      color: #404040;
      border-radius: 4px;
+	 padding: 2px 25px 2px 20px;
  }
 QMenu::separator {
      height: 1px;
@@ -395,3 +396,14 @@ QMenu::separator {
      margin-left: 5px;
      margin-right: 5px;
  }
+ 
+ QComboBox QAbstractItemView {
+     show-decoration-selected: 1; /* make the selection span the entire width of the view */
+	 background-color: #494949; /* sets background of the menu */
+     border: 1px solid black;
+     margin: 0px; /* some spacing around the menu */
+     color: #cacaca;
+	 selection-background-color: #d2d2d2;
+	 selection-color: #404040;
+ }
+

src/plugins/qmldesigner/components/resources/stylesheet.css

@@ -63,10 +63,15 @@ QLineEdit
  QListView::item:selected {
      color: white;
  }
-
-QComboBox QAbstractItemView {
-     color: black;
-     border: 2px solid darkgray;
-     selection-background-color: lightgray;
+ 
+  QComboBox QAbstractItemView {
+     show-decoration-selected: 1; /* make the selection span the entire width of the view */
+	 background-color: #494949; /* sets background of the menu */
+     border: 1px solid black;
+     margin: 0px; /* some spacing around the menu */
+     color: #cacaca;
+	 selection-background-color: #d2d2d2;
+	 selection-color: #404040;
  }
+
  
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