diff --git a/QtMeshViewer/Resources/Resources.qrc b/QtMeshViewer/Resources/Resources.qrc
index ee43df8..7d86385 100644
--- a/QtMeshViewer/Resources/Resources.qrc
+++ b/QtMeshViewer/Resources/Resources.qrc
@@ -8,6 +8,7 @@
     </qresource>
     <qresource prefix="/files">
         <file>about.txt</file>
+        <file>StyleSheet.txt</file>
     </qresource>
     <qresource prefix="/images/toolbar">
         <file>placeholder.png</file>
diff --git a/QtMeshViewer/Resources/StyleSheet.txt b/QtMeshViewer/Resources/StyleSheet.txt
new file mode 100644
index 0000000..717dd21
--- /dev/null
+++ b/QtMeshViewer/Resources/StyleSheet.txt
@@ -0,0 +1,21 @@
+QToolButton#test123 {
+	color: #000000;
+}
+
+QToolButton:checked {
+	background-color: #ffffff;
+	border-style: inset;
+	border-width: 1px;
+	border-radius: 5px;
+	border-color: #b3b3b3;
+	min-height: 25px
+}
+
+QToolButton:hover {
+	border-style: solid;
+	border-width: 1px;
+	border-radius: 5px;
+	border-color: #a4daff;
+	min-height: 25px
+}
+
diff --git a/QtMeshViewer/Source/MainWindow.cpp b/QtMeshViewer/Source/MainWindow.cpp
index 08ef03d..bc322b8 100644
--- a/QtMeshViewer/Source/MainWindow.cpp
+++ b/QtMeshViewer/Source/MainWindow.cpp
@@ -35,6 +35,10 @@ MainWindow::MainWindow(QWidget *parent)
 	ui->statusBar->showMessage("MeshViewer by Anakin", 0);
 
 	m_fileInfo += "Filename: -\nMaterials: -\nVertices: -\nTriangle: -<detail>No file is open";
+
+	QFile styleSheet(":/files/StyleSheet.txt");
+	styleSheet.open(QIODevice::ReadOnly);
+	this->setStyleSheet(styleSheet.readAll());
 }
 
 MainWindow::~MainWindow()
@@ -118,6 +122,11 @@ void MainWindow::setupWidgets()
 	connect(help, &QAction::triggered, this, &MainWindow::aboutTool);
 	ui->mainToolBar->addAction(help);
 
+	QAction *test = new QAction(this);
+	test->setCheckable(true);
+	test->setObjectName("test123");
+	ui->mainToolBar->addAction(test);
+
 	m_output->setObjectName("output");
 	m_output->setStyleSheet("QLabel#output{color : white; min-width: 400px; min-height: 50px;}");
 	m_output->setAlignment(Qt::AlignTop);