HELP!!! Adding/Replacing SVG icons in shopify

Hi guys I'm having a hard time locating where to change the icon image from a shopify theme because there is no tutorial
I am using clickbuy

I want to replace the icons on this categories

Clickbuy – Clickbuy - Multi Store Responsive Shopify Theme

Clickbuy Shopify

clickbuy-demo.myshopify.com

and on this dropdown categories...

HELP!!! Adding/Replacing SVG icons in shopify

by janjenka via TBN