Start: Make the new StartPage look more like the old one

Use style sheets to give visual feedback about hovered or clicked buttons & labels

src/Mod/Start/Gui/FileCardView.cpp

@@ -44,6 +44,8 @@ FileCardView::FileCardView(QWidget* parent)
     setFlow(QListView::Flow::LeftToRight);
     setResizeMode(QListView::ResizeMode::Adjust);
     setUniformItemSizes(true);
+    setMouseTracking(true);
+    setSpacing(20);
 }
 
 int FileCardView::heightForWidth(int width) const
@@ -83,5 +85,4 @@ QSize FileCardView::sizeHint() const
             cardSize.height() + 2 * cardSpacing};
 }
 
-
 }  // namespace StartGui