fix dark mode style

style.css

@@ -16,9 +16,8 @@
   padding: 0 .5em;
 }
 
-.m5dd_list:nth-child(even) {
-  background: #ecedf0;
-}
+.m5dd_list:nth-child(even) { background: #ECEDF0; }
+.dark .m5dd_list:nth-child(even) { background: #1F2937; }
 
 .m5dd_list:not(.use)>span.label {
   text-decoration: line-through;