Lighten comment vote display (outside button)

This is mostly for logged-out users, we don't need the votes to stand
out so much for them. I think it's fine for logged-in too though, so
let's just try it for both initially.

tildes/scss/modules/_comment.scss

@@ -143,7 +143,7 @@
 .comment-votes {
   font-size: 0.6rem;
   font-weight: bold;
-  margin: 0.2rem 0.4rem;
+  margin: 0 0.4rem;
 }
 
 .is-comment-by-op {

tildes/scss/themes/_theme_base.scss

@@ -180,6 +180,10 @@
     color: map-get($theme, "foreground-secondary");
   }
 
+  .comment-votes {
+    color: map-get($theme, "foreground-secondary");
+  }
+
   .label-comment-exemplary {
     @include theme-special-label(map-get($theme, "comment-label-exemplary"), $is-light);
   }