Remove three column feature

I need to remove three column feature, can you give me code for that?

 

Hi,

Greetings from InkThemes!

Code is given below as per your requirement..

Code:

.feature-page-wt-thumb {
    display: none;
}

Hope it will resolve your issue

Do let me know if you need more assistance,

Thanks & Regards!
Priyanka
InkThemes.com