var portrait1 = document.querySelector(’.portrait-1’);
portrait1.classList.remove(‘stylize’);
var portrait2 = document.querySelector(’.portrait-2’);
portrait2.classList.add(‘shadow’);
var portrait3 = document.querySelector(’.portrait-3’);
portrait3.classList.add(‘colorize’);
portrait3.classList.remove(‘invert’);
var portrait4 = document.querySelector(’.portrait-4’);
portrait4.classList.remove(‘spoil’);
portrait4.classList.add(‘burst’);