fixed background colors

Former-commit-id: 420e245d9028daf73359df7b94fcfbbc1f443b07

extension/ui/pages/options.css

@@ -1,5 +1,5 @@
 body {
-    background-color: #fbfbfb;
+    background-color: #fff;
     font-family: sans-serif;
     font-size: 12px;
     max-width: 1024px;
@@ -9,8 +9,8 @@ body {
     margin-right: auto;
 }
 
-.maximized body {
-    background-color: #fff;
+.side-panel body {
+    background-color: #fbfbfb;
 }
 
 button {
@@ -458,10 +458,6 @@ a {
     display: none;
 }
 
-body {
-    background-color: #fbfbfb;
-}
-
 .maximized body {
     margin-top: 8px;
 }