fix: AA-1107: Update styling for goal unsubscribe page (#763)

src/course-home/goal-unsubscribe/ResultPage.jsx

@@ -36,7 +36,9 @@ function ResultPage({ courseTitle, error, intl }) {
     <>
       <UnsubscribeIcon className="text-primary" alt="" />
       <div role="heading" aria-level="1" className="h2">{header}</div>
-      <div>{description}</div>
+      <div className="row justify-content-center">
+        <div className="col-xl-7 col-12 p-0">{description}</div>
+      </div>
       <Button variant="brand" href={`${getConfig().LMS_BASE_URL}/dashboard`} className="mt-4">
         {intl.formatMessage(messages.goToDashboard)}
       </Button>