Fix Modal Windows RSS Manager and Rules Manager (#365)

* Fix Modal Windows RSS Manager and Rules Manager

* use transparency vars

Co-authored-by: GilbN <24592972+GilbN@users.noreply.github.com>

css/base/rutorrent/rutorrent-base.css

@@ -1784,4 +1784,19 @@ div#dlgEditRules-header,
 #dlgEditRatioRules-header,
 div#dlgEditRules div.dlg-header {
     background: var(--transparency-dark-25) !important;
+}
+
+#filterList, #filterProps, #ruleList{
+    background: var(--modal-bg-color);
+}
+
+.lf li input.TextboxFocus{
+    background: var(--transparency-light-25);
+    color: var(--text-hover);
+    text-shadow: 0px -1px 0px rgba(0, 0, 0, 0);
+}
+
+.lf li input.TextboxNormal{
+    background: var(--transparency-dark-10);
+    color: var(--text);
 }