--- a/QTfrontend/ui/page/pagetraining.cpp	Wed Apr 13 14:52:35 2016 +0200
+++ b/QTfrontend/ui/page/pagetraining.cpp	Wed Apr 13 14:53:47 2016 +0200
@@ -79,6 +79,8 @@
     // let's not make the tab widget use more space than needed
     tbw->setFixedWidth(400);
     pageLayout->setAlignment(tbw, Qt::AlignHCenter);
+    
+    tbw->setStyleSheet("QListWidget { border-style: none; padding-top: 6px; }");
 
     // training/challenge/scenario lists
     lstTrainings = new QListWidget(this);