How to make clicking on any category, immediately under it began to display a column with subcategories?

With a small screen (mobile version) all categories are in one column one after another and after them there are subcategories. You need to do to when you click on any category immediately beneath it began to display a column with subcategories, after which on will go the list of categories.

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July 8th 19 at 12:18
1 answer
July 8th 19 at 12:20
Hide div on click and show it. You can use bootstrap, there is a good socket for mobile devices.

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