tweaks of font size

frontend/apps/reader/modules/readertoc.lua

@@ -7,6 +7,7 @@ local Screen = require("ui/screen")
 local Device = require("ui/device")
 local UIManager = require("ui/uimanager")
 local Event = require("ui/event")
+local Font = require("ui/font")
 local DEBUG = require("dbg")
 local _ = require("gettext")
 
@@ -123,9 +124,10 @@ function ReaderToc:onShowToc()
         title = _("Table of Contents"),
         item_table = self.toc,
         ui = self.ui,
+        is_borderless = true,
         width = Screen:getWidth(),
         height = Screen:getHeight(),
-        is_borderless = true,
+        cface = Font:getFace("cfont", 20),
         on_close_ges = {
             GestureRange:new{
                 ges = "two_finger_swipe",