Ironically Chrome worked for me, and my go-to Opera didn't work. I only order once every few months and was surprised it was still a problem when I recently made an order.

Hi HipSong and Kinglime,

I'm sorry to hear that you are both having difficulties placing an order on our site. You may contact our customer support team at support@acne.org to assist you further with placing an order. We do apologize for the inconvenience.