diff --git a/src/cpp/qtapp/main.cpp b/src/cpp/qtapp/main.cpp
index 01103d0..46a9765 100644
--- a/src/cpp/qtapp/main.cpp
+++ b/src/cpp/qtapp/main.cpp
@@ -76,6 +76,8 @@ void showBacklabels(Mdem *mdem) {
 	}
 }
 
+auto mdemBackground = "#F7F7F7"; 
+
 Mdem* makeMdem() {
 	auto mdem = new Mdem;
 	mdem->wMdem.setLayout(&mdem->vMdem);
@@ -92,11 +94,12 @@ Mdem* makeMdem() {
 			"border-right:  1px solid gray;"
 			"border-bottom: 1px solid gray;"
 			"border-left:   1px solid gray;"
+			"background: %2;"
 		"} "
 		"QWidget#%1 > QWidget[first=\"true\"] {"
 			"border-top: 1px solid gray;"
 		"}"
-	).arg(id));
+	).arg(id, mdemBackground));
 
 	// Add Front Content
 	mdem->hFront.addWidget(&mdem->wFrontText);
@@ -352,9 +355,12 @@ ErrorView *makeErrorView() {
 	errorView->box.setLayout(&errorView->layout);
 	errorView->box.setMinimumHeight(30);
 	errorView->box.setStyleSheet(
-		"QWidget#error-box {"
-			"border: 1px solid red;"
-		"}"
+		QString(
+			"QWidget#error-box {"
+				"border: 1px solid red;"
+				"background: %2;"
+			"}"
+		).arg(mdemBackground)
 	);
 	errorView->layout.addWidget(&errorView->label);
 	errorView->label.setWordWrap(true);