Improve icon for dropdown on product page

[jacknugent]

From Aaron:

I would try using an angle bracket instead of the "i" for the sections that expand and collapse.
collapsed state: >
expanded state: ∨

Product page: https://dumb.co/phone

So if selected, change icon from > to ∨

[jacknugent]

Make sure to checkout branch and make pull request for this:

https://stackoverflow.com/questions/54151627/how-to-create-a-development-branch-from-master-branch-in-git

If you have issues @ me on this issues thread! @annamo731