Fix table row colors in dark mode

css/main_dark.css

@@ -69,3 +69,12 @@ a.no-decoration:hover {
   color: black;
   filter: invert(90%);
 }
+
+table,
+td {
+  border-color: #333 !important;
+}
+
+tr:nth-child(2n-1) td {
+  background-color: #222 !important;
+}