- add: styles

src/main.cpp

@@ -6,9 +6,13 @@
 #include "userinterfaces/windows/mainwindow.h"
 
 int main(int argc, char* argv[]) {
-    QApplication a(argc, argv);
-    a.setApplicationName("StationManager");
-    a.setOrganizationName("Station");
+    QApplication application(argc, argv);
+    application.setApplicationName("StationManager");
+    application.setOrganizationName("Station");
+
+    QFile qss(":/userinterfaces/styles.qss");
+    if (qss.open(QFile::ReadOnly))
+        application.setStyleSheet(qss.readAll());
 
     if (!Database::instance().initialize()) {
         QMessageBox::critical(nullptr, "Ошибка",