resolves background color syncing for particular page/container wrappers

lms/static/sass/base/_variables.scss

@@ -88,9 +88,10 @@ $dashboard-profile-header-color: transparent;
 $dashboard-profile-color: rgb(252,252,252);
 $dot-color: $light-gray;
 
-$content-wrapper-bg: shade($body-bg, 2%);
+$content-wrapper-bg: $white;
 $course-bg-color: #d6d6d6;
 $course-bg-image: url(../images/bg-texture.png);
+$account-content-wrapper-bg: shade($body-bg, 2%);
 
 $course-profile-bg: rgb(245,245,245);
 $course-header-bg: rgba(255,255,255, 0.93);

lms/static/sass/multicourse/_account.scss

@@ -98,7 +98,7 @@
 
   // layout
   .content-wrapper {
-    background: $content-wrapper-bg;
+    background: $account-content-wrapper-bg;
     padding-bottom: 0;
   }