I used animate.css & wow.js to make the animations happen just when I scroll, this has been done successfully, BUT those animations happen one time, I want them to repeat them selves every time I scroll, here is the code: <!-- Animate.css --> <link rel="stylesheet" href="./vendor/animate.css/animate.css-main/animate.min.css"> <!-- WOW JS --> <script src="./vendor/wow/WOW-master/dist/wow.js">...