https://mignon-ballet.myshopify.com/This is the site. Thank you!

https://mignon-ballet.myshopify.com/This is the site. Thank you!  

I am using Debut template. The drop down menu of the collections is currently displayed as 5 columns/two rows. It doesn't look organized either. I want to change to using a single-column/multiple rows layout, instead of several columns.How can I do t...

私もTAKAOKAさんと同じ状況で止まっています。このご回答の通りにやってみましたが、だめです。なぜでしょうか？？？