Single colum in registration

-- url of the page with the problem -- : artacademy.dk
-- HikaShop version -- : 2.3.0
-- Joomla version -- : 3.1.5
-- PHP version -- : 5.3.28
-- Browser(s) name and version -- : XXXXX x.x.x
-- Error-message(debug-mod must be tuned on) -- : Error_message

How do i get the login form above the registration?
So 1 colum instead of 2.

Hi,
The solution will probably be to remove the "float" CSS property of this CSS code through your Hikashop front-end CSS file :

.hikashop_checkout_login_left_part {
width: 250px;
float: left;
}
.hikashop_checkout_login_right_part {
width: 440px;
float: left;
}