Add background color to language select menu

This helps readability when language box overflows stores box

css/dark.css

@@ -3,6 +3,10 @@ body {
 	color: #EEE;
 }
 
+.customSelectOptions > ul {
+	background-color: #272823;
+}
+
 div.headerButton {
 	border-left: 1px solid #EEE;
 }

css/main.css

@@ -97,6 +97,7 @@ span.customSelectOptions {
 	bottom: 0;
 	position: absolute;
 	right: 0;
+	background-color: white;
 }
 
 .customSelectOptions > ul:hover {