change display feature collection for mobile

[ai41]

i want to change how this products showing to be 2 product , and i can scroll to the other two , how to make it , please see the image 2 

this url : saintalen.com

[KetanKumar]

@ai41  sorry your store is not working can you please check and share new link please 

[ai41]

Its working my friend 

[KetanKumar · Accepted solution]

@ai41 thanks for update can you please try this code
1. Go to Online Store->Theme->Edit code
2. Asset->/base.css ->paste below code at the bottom of the file.

@media (max-width: 749px){
.slider--tablet.grid--peek.grid--2-col-tablet-down .grid__item, .grid--peek .grid__item {
        width: calc(50% - var(--grid-mobile-horizontal-spacing) - 0rem);
    }
}