Before to create the mega menu you have to enable CSS Classes option. Navigate to Appearance > Menus section of your admin sidebar and locate the Screen Options tab located on top right corner of your screen as you see in the image below.
- Open the Screen Options tab
- Select CSS Classes
How to create the mega menu
Step 1: Create a new Custom Link tab as displayed in the image below and click on Add to menu
Step 2: As soon you added the tab to the menu, open the tab and add the class houzez-megamenu class as displayed in the image below.
Step 3: Add new Custom Links tabs for mega menu columns as displayed in the image below.
Step 4: Add to the menu all Pages needed under each column as displayed in the image below.
Step 5 – Click on Save menu and your final result should be as displayed in the image below.