Main Page Modification

How do I center the title of this section and make the title larger so it stands out more?

theme2.1stopnonprofitshop.com

 

Hi,

Code is given below..

Code:

.text-featute-one h3 {
    text-align: center;
    font-size: 24px !important;
}

Thanks & Regards!
Priyanka
InkThemes.com