diff --git a/src/gui/qt/mainwindow/mainwindowimpl.cpp b/src/gui/qt/mainwindow/mainwindowimpl.cpp
index c002b427..33536285 100755
--- a/src/gui/qt/mainwindow/mainwindowimpl.cpp
+++ b/src/gui/qt/mainwindow/mainwindowimpl.cpp
@@ -307,7 +307,7 @@ mainWindowImpl::mainWindowImpl(ConfigFile *c, QMainWindow *parent)
 
 	//Schriftart und Schriftgrößen für Widgets festlegen 
 // 	QScrollBar *myLogScrollBar = textBrowser_Log->verticalScrollBar();
-// 	myLogScrollBar->setStyleSheet("QScrollBar { border: 2px solid grey; background: #32CC99; height: 15px; margin: 0px 20px 0 20px;} QScrollBar::handle { background: white; min-width: 20px;} QScrollBar::add-line { border: 2px solid grey; background: #32CC99; width: 20px; subcontrol-position: right; subcontrol-origin: margin; } QScrollBar::sub-line {border: 2px solid grey; background: #32CC99; width: 20px; subcontrol-position: left; subcontrol-origin: margin;}");
+// 	myLogScrollBar->setStyleSheet("QScrollBar:vertical { border: 2px solid grey; background: #32CC99; height: 15px; margin: 0px 20px 0 20px; } QScrollBar::handle:vertical { background: white;  min-width: 20px; } QScrollBar::add-line:vertical { border: 2px solid grey; background: #32CC99; width: 20px; subcontrol-position: right; subcontrol-origin: margin;} QScrollBar::sub-line:vertical { border: 2px solid grey; background: #32CC99; width: 20px; subcontrol-position: left; subcontrol-origin: margin; }");
 // 	textBrowser_Log->setVerticalScrollBar(myLogScrollBar);
 
 // 	textBrowser_Log->verticalScrollBar()->setAutoFillBackground ( TRUE );
@@ -316,8 +316,8 @@ mainWindowImpl::mainWindowImpl(ConfigFile *c, QMainWindow *parent)
 #else
 	QString fontsize= "10";
 #endif
-	textBrowser_Log->setStyleSheet("QTextBrowser { "+ font1String +" font-size: "+fontsize+"px; color: #F0F0F0; background-color: #1D3B00; border:none; }");
-	textBrowser_Chat->setStyleSheet("QTextBrowser { "+ font1String +" font-size: "+fontsize+"px; color: #F0F0F0; background-color: #1D3B00; border:none; }");
+	textBrowser_Log->setStyleSheet("QTextBrowser { "+ font1String +" font-size: "+fontsize+"px; color: #F0F0F0; background-color: #1D3B00; border:none; } QScrollBar:vertical { border: 1px solid #104600; background: #135000; width: 15px; margin: 17px -1px 17px 0px; } QScrollBar::handle:vertical { border-radius: 1px; border: 1px solid #1B7200; background: #176400; min-height: 20px; } QScrollBar::add-line:vertical { margin-right: 0px; margin-left: 1px; border-bottom-right-radius: 2px; border-bottom-left-radius: 2px; border-top-right-radius: 1px; border-top-left-radius: 1px; border: 1px solid #1E7F00; background: #1A6F00; height: 15px; subcontrol-position: bottom; subcontrol-origin: margin; } QScrollBar::sub-line:vertical { margin-right: 0px; margin-left: 1px; border-bottom-right-radius: 1px; border-bottom-left-radius: 1px; border-top-right-radius: 2px; border-top-left-radius: 2px; border: 1px solid #1E7F00; background: #1A6F00; height: 15px; subcontrol-position: top; subcontrol-origin: margin; } QScrollBar:up-arrow:vertical, QScrollBar::down-arrow:vertical { border: 1px solid #208A00; height: 3px; width: 3px; background: #27A800; } QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical { background: none; }");
+	textBrowser_Chat->setStyleSheet("QTextBrowser { "+ font1String +" font-size: "+fontsize+"px; color: #F0F0F0; background-color: #1D3B00; border:none; } QScrollBar:vertical { border: 1px solid #104600; background: #135000; width: 15px; margin: 17px -1px 17px 0px; } QScrollBar::handle:vertical { border-radius: 1px; border: 1px solid #1B7200; background: #176400; min-height: 20px; } QScrollBar::add-line:vertical { margin-right: 0px; margin-left: 1px; border-bottom-right-radius: 2px; border-bottom-left-radius: 2px; border-top-right-radius: 1px; border-top-left-radius: 1px; border: 1px solid #1E7F00; background: #1A6F00; height: 15px; subcontrol-position: bottom; subcontrol-origin: margin; } QScrollBar::sub-line:vertical { margin-right: 0px; margin-left: 1px; border-bottom-right-radius: 1px; border-bottom-left-radius: 1px; border-top-right-radius: 2px; border-top-left-radius: 2px; border: 1px solid #1E7F00; background: #1A6F00; height: 15px; subcontrol-position: top; subcontrol-origin: margin; } QScrollBar:up-arrow:vertical, QScrollBar::down-arrow:vertical { border: 1px solid #208A00; height: 3px; width: 3px; background: #27A800; } QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical { background: none; }");
 	lineEdit_ChatInput->setStyleSheet("QLineEdit { "+ font1String +" font-size: "+fontsize+"px; color: #F0F0F0; background-color: #1D3B00; border-top: 2px solid #286400; }");