Adds css classes to google maps popups

google-maps-info-styles.js

(function(){

    function styleAllBoxes() {
        var cnt = $('.gm-style-iw');
        cnt.each(function(index){
            styleBox($(cnt[index]));
        });
    }

    function styleBox(item) {
        var cnt = item.parent();
        var close = cnt.children().last().addClass('gm-info-close');
        var box = cnt.children('div').first();
        box.addClass('gm-info-box');
        var bg = box.children().last();
        bg.addClass('gm-background');
        var arrow = box.children().last().prev().find('div>div');
        arrow.addClass('gm.info-arrow');
    }

    var map = $('.gm-style').on('DOMNodeInserted', styleAllBoxes);
    
})();