Disable border around section and nice yellow captions for installer

components/browser-qt/design/design.qss.in

@@ -49,3 +49,22 @@ QProgressBar::chunk {
     stop: 1 #6f9fca) url(:/design/progress-cleanlooks.png);
     border: 1px solid #46647f;
 }
+
+/* Sections */
+AWizardFace AGroupBox {
+	border: 1px solid rgba(255, 255, 255, 0%);
+}
+
+AWizardFace AGroupBox::title {
+        color: #F8E97C;
+	font: bold;
+}
+
+QCheckBox:hover, QRadioButton:hover {
+	background: none;
+}
+
+/* Fix side effect on transparent background */
+QCheckBox:indicator:hover, QRadioButton:indicator:hover {
+	margin-left: 1px;
+}