function overlapSections() {
        var height = $('.overlap.small').outerHeight();
        var container = $('.overlap-sections');
        var small = $('.overlap.small');
        var big = $('.overlap.big');
        var gap = 90;
        var newHeight = height + gap;

        small.css('height', height + 'px');
        small.css('top', gap / 2 + 'px');
        container.css('height', newHeight + 'px');
        big.css('height', newHeight + 'px');
    }