Hi,
Yes it can be server related, since we checked everything else.
Check what you have in the htaccess file, and also check for any errors inside the error_log file.
Your hosting saying that is all fine is very relative.
2) I added this css to adjust the way it looks, there is no more space.
@media only screen and (max-width: 479px){
.woocommerce table.shop_table tr td.product-quantity .quantity {
margin-left: 2px!important;
}
}
-Rui