You don’t need to add the whole Bootstrap code and a zillion dependencies and plugins just to use col-md-3. This is how.
Recently I had to loop through a series of elements in a WordPress template (thanks Timber), which happened to be using Bootstrap. If you ever used Bootstrap, you are familiar with the following markup: The problem here is very common. You have to: Loop every 3/4/n items. Insert a separator or whatever every 3/4/n items.