Hi,

1. You can find it in the theme config Theme SNS > SNS Kalolia Theme
2. This can not be changed in our theme
3. Countdown will be display when product have start discount date and end discount date.
4. You can configure the menu in SNS Theme> SNS Megamenu
5. Please disable Use HTMLPurifier Library in Preferences > General and then reset module SNS Slideshow
6. http://fortawesome.github.io/Font-Awesome/icons/ Icon for this.
7. The custom tab on all products are the same, you can configure in SNS Theme > SNS Kalolia Theme
8. add to cart and checkout link in prestashop is the same

Thanks!