Wordpress WooCommerce - Fix our payment methods provided by STRIPE, credit card and Sofort doesnt work

Hi guys, we have an online store based on Wordpress WooCommerce. Our payment methods paying by credit card and by SOFORT doesn't work. We do not know what happened, that we got this issue since these payment methods worked before smoothly. Our one page check out area have some issues. The boxes which need to be filled out with name, last name, adress, country and so on have issues, that when you click on it, the boxes are going away and are not visible anymore. Also when you start to fill the boxes, you can not see what you fill and write. This issue need to be solved and fixed soon as we have many customers who try to place their orders. Waiting for your offers!