How to make the same height for items in a slider?

Question

css

and on a regular block (not a slider) it works,
but here it doesn’t

https://codepen.io/Olya097/pen/JjGvzJO?editors=0110

Answer 1

var currentHeight = $('.account').outerHeight(true);

You don't have a block with the account class in this layout. I would loop through all items and find the maximum height, then just set it to all items.
And this slider is no longer supported, better use swiper
UPD