Answer:
Foundation.
Bootstrap. 2.1 Resources.
Metro UI.
jQuery Mobile.
Sencha Touch.
Ionic.
HTML KickStart.
Semantic UI
Explanation:
Reactants are the factors that yield the subdivision of a molecule. Products are the result of this division. In other words, reactants are left of the equation and products are on the right. P+O are reactants, but the product is not shown.