Denzel Chia
    Moderator
    Posts: 2656
    September 15, 2015 at 7:54 am #20658

    Hi,

    Please use the following codes in Theme Options -> Custom CSS

    #nav ul li ul li ul li a {
    font-size: 13px !important;
    }

    Please change the 13px to your requirement.

    Screenshot of result. http://prntscr.com/8ghavo

    Thanks!