1. Login to your admin dashboard
2. Go to Site manager > Theme Manager
3. Click Default Theme
4. Click Theme Settings Tab
5. Select Light to apply on Normal Theme
6. Select Section to customize
7. Appearance Setting
# Layout Tab
# Layout Tab > Body Section Setting
# Layout Tab > Header Section Setting
# Layout Tab > User section setting
# Layout Tab > List Items Settings
# Layout Tab > Like section settings
# Layout Tab > Footer
# Menu Section
# Menu > Navigation
# Menu > Sticky Menu
# Menu > Category Menu
# What’s New Section
# What’s New > Feed Header Section
# What’s New > Status Box
# What’s New > Feed Item
# What’s New > Feed Comment
# Comment section
# Profile Section > Header Profile Section
# Global Search Section
# Block Settings
# Block > Block
# Block > Content Search Setting
# Modal settings
# Form
# Content
# Mobile Responsive
# Notification
# More SEction
#Emoji
# More Menu Popup
#Profile Popup
# Login Popup
# SIgn up Page
# Login Page
# Landing Page
# Tags Block
#Cookies
8. Check the apply to landing page if you want your settings to applied to non login page
9. Check/Uncheck to enable or disable settings
10. You can customize dark theme like you did with light theme
12. Save and Check again your site