diff --git a/components/flatbutton.cpp b/components/flatbutton.cpp
index 4cf8ee9..97a6f17 100644
--- a/components/flatbutton.cpp
+++ b/components/flatbutton.cpp
@@ -1,4 +1,5 @@
 #include "flatbutton.h"
+#include <QPainter>
 #include "lib/style.h"
 
 FlatButton::FlatButton(QWidget *parent)
@@ -19,6 +20,15 @@ FlatButton::~FlatButton()
 {
 }
 
+void FlatButton::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event)
+
+    QPainter painter(this);
+
+    painter.drawRect(rect().adjusted(0, 0, -1, -1));
+}
+
 //#include <QDebug>
 //#include <QStylePainter>
 //#include <QMouseEvent>
diff --git a/components/flatbutton.h b/components/flatbutton.h
index 1e7f853..258776c 100644
--- a/components/flatbutton.h
+++ b/components/flatbutton.h
@@ -11,6 +11,9 @@ public:
     explicit FlatButton(QWidget *parent = 0);
     explicit FlatButton(const QString &text, QWidget *parent = 0);
     ~FlatButton();
+
+protected:
+    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
 };
 
 #endif // FLATBUTTON_H
diff --git a/lib/ripple.cpp b/lib/ripple.cpp
index 73225ba..7f92da0 100644
--- a/lib/ripple.cpp
+++ b/lib/ripple.cpp
@@ -26,7 +26,7 @@ void Ripple::setRadius(qreal radius)
         return;
 
     _radius = radius;
-    emit valueChanged();
+    emit changed();
 }
 
 void Ripple::setOpacity(qreal opacity)
@@ -35,7 +35,7 @@ void Ripple::setOpacity(qreal opacity)
         return;
 
     _opacity = opacity;
-    emit valueChanged();
+    emit changed();
 }
 
 QPropertyAnimation *Ripple::animate(const QByteArray &property)
diff --git a/lib/ripple.h b/lib/ripple.h
index 73a8767..807979d 100644
--- a/lib/ripple.h
+++ b/lib/ripple.h
@@ -39,7 +39,7 @@ public:
     inline void startAnimation() { _group.start(); }
 
 signals:
-    void valueChanged();
+    void changed();
     void finished();
 
 private:
diff --git a/lib/rippleoverlay.cpp b/lib/rippleoverlay.cpp
index c53147b..b1864a6 100644
--- a/lib/rippleoverlay.cpp
+++ b/lib/rippleoverlay.cpp
@@ -19,7 +19,7 @@ void RippleOverlay::addRipple(const QPoint &position, qreal radius)
     Ripple *ripple = new Ripple(position);
     ripple->setRadiusEndValue(radius);
     ripples.push_back(ripple);
-    connect(ripple, SIGNAL(valueChanged()), this, SLOT(update()));
+    connect(ripple, SIGNAL(changed()), this, SLOT(update()));
     connect(ripple, SIGNAL(finished()), this, SLOT(deleteRipple()));
     ripple->startAnimation();
 }