Add background property to style select options for Windows

- Windows users in Snow theme reporting white foreground color on system
 background color (light gray) when interacting with select elements.
 This fix hard-codes the option's `color` attribute to black.

src/styles-new/_controls.scss

@@ -245,7 +245,13 @@ select {
     background-position: right .4em top 80%, 0 0;
     border: none;
     border-radius: $controlCr;
-    padding: 4px 20px 4px $interiorMargin;
+    padding: 1px 20px 1px $interiorMargin;
+
+    *,
+    option {
+        background: $colorBtnBg;
+        color: $colorBtnFg;
+    }
 }
 
 // CHECKBOX LISTS