chore: update theme file

Author: codeforge11

files/theme.go

@@ -17,9 +17,14 @@ func Theme(app *widgets.QApplication) {
             background-color: #3a86ff;
             color: white;
             font-size: 72px; 
-            padding: 40px; 
+            padding: 160px; 
             border: none;
             border-radius: 10px; 
         }
+        QPushButton#connectButton{
+            background-color: #3a86ff;
+            color: white; 
+            font-size: 36px;
+        }
     `)
 }

main.go

@@ -113,9 +113,9 @@ func (w *MainWindow) initUI() {
 	w.portInputField.SetFont(gui.NewQFont2("Arial", 16, 1, false))
 	w.portInputField.SetPlaceholderText("3306")
 
+	w.connectButton.SetObjectName("connectButton")
 	w.connectButton = widgets.NewQPushButton2("Connect to database", nil)
 	w.connectButton.ConnectClicked(w.buttonClicked)
-	w.connectButton.SetStyleSheet("background-color: #3a86ff; color: white; font-size: 18px;")
 
 	w.errorLabel = widgets.NewQLabel(nil, 0)
 	w.errorLabel.SetStyleSheet("color: red")
@@ -397,14 +397,14 @@ func (w *MainWindow) exitDatabase(_ bool) {
 }
 
 func main() {
+
 	app := widgets.NewQApplication(len([]string{}), []string{})
+	appdata.Theme(app)
 
 	if core.QCoreApplication_Instance() == nil {
 		log.Fatal("Failed to initialize QCoreApplication")
 	}
 
-	appdata.Theme(app)
-
 	mainWindow := NewMainWindow()
 	mainWindow.Show()
 	app.Exec()