> > hi, how can we align the add to cart buttons to appear on the same line please?
Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community! 
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
yes, please try this code
- Go to Online Store->Theme->Edit code
- Asset->/theme.css ->paste below code at the bottom of the file.
@media only screen and (max-width: 767px) {
.product__grid__info.text-center .product__grid__title__wrapper {height: 90px;}
}