Documentation
Apply .animsitionto <body>or <main>based on your need. So your element fade in. You can change default animation for IN and OUT state by applying data-animsition-in-classand data-animsition-out-classto .animsition.
Give data-provide="animsition"to each <a>element that you want to activate OUT animation on.
Read the official documentationto learn more about it.