react-native-flip/example/node_modules/css-tree/lib/syntax/atrule/page.js

<div align="center">

module.exports = {
    parse: {
        prelude: function() {
            return this.createSingleNodeList(
                this.SelectorList()
            );
        },
        block: function() {
            return this.Block(true);
        }
    }
};