Refactored code and made lines cleaner

Before:

After:

cockatrice/src/deckview.cpp

@@ -81,14 +81,12 @@ void DeckViewCard::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
     AbstractCardItem::paint(painter, option, widget);
     
     painter->save();
-    QPen pen;//(Qt::DotLine);
+    QPen pen;
     pen.setWidth(3);
-    if (originZone == "main")
-        pen.setColor(QColor(0, 255, 0));
-    else
-        pen.setColor(QColor(255, 0, 0));
+    pen.setJoinStyle(Qt::MiterJoin);
+    pen.setColor(originZone == "main" ? Qt::green : Qt::red);
     painter->setPen(pen);
-    painter->drawRect(QRectF(1.5, 1.5, CARD_WIDTH - 3, CARD_HEIGHT - 3));
+    painter->drawRect(QRectF(1, 1, CARD_WIDTH - 2, CARD_HEIGHT - 2.5));
     painter->restore();
 }
 

cockatrice/src/tab_game.cpp

@@ -73,11 +73,12 @@ void ToggleButton::paintEvent(QPaintEvent *event)
     QPushButton::paintEvent(event);
     
     QPainter painter(this);
-    if (state)
-        painter.setPen(QPen(Qt::green, 3));
-    else
-        painter.setPen(QPen(Qt::red, 3));
-    painter.drawRect(1, 1, width() - 3, height() - 3);
+    QPen pen;
+    pen.setWidth(3);
+    pen.setJoinStyle(Qt::MiterJoin);
+    pen.setColor(state ? Qt::green : Qt::red);
+    painter.setPen(pen);
+    painter.drawRect(QRect(1, 1, width() - 3, height() - 3));
 }
 
 void ToggleButton::setState(bool _state)