Bug 578630 - [Accessibility] Labels are invisible at Model Spy Form tab
dialog under high contrast theme
- Adjusted background for 'Composite' under high contrast theme

Change-Id: I28e66fd07a6c513f0926b8b4b8163e3aa1d6a519
Signed-off-by: Niraj Modi <niraj.modi@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/191947
(cherry picked from commit 363418b210cb53bee06e5b204db9260a392df720)
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/191856

bundles/org.eclipse.ui.themes/css/high-contrast.css

diff --git a/bundles/org.eclipse.ui.themes/css/high-contrast.css b/bundles/org.eclipse.ui.themes/css/high-contrast.css
index bf09535..30b5872 100644
--- a/bundles/org.eclipse.ui.themes/css/high-contrast.css
+++ b/bundles/org.eclipse.ui.themes/css/high-contrast.css
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2014 IBM Corporation and others.
+ * Copyright (c) 2014, 2022 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -21,3 +21,8 @@
 .MPartStack.active > CTabItem:selected {
 	color: '#org-eclipse-ui-workbench-ACTIVE_TAB_TEXT_COLOR';
 }
+
+.MPart Composite
+{
+    background-color: #000000;
+}
\ No newline at end of file