var meta = document.querySelectorAll('.public-email meta'); for (var i = 0; i < meta.length; i++) { document.querySelector('head').appendChild(meta[i]); } var style = document.querySelectorAll('.public-email style'); for (var j = 0; j < style.length; j++) { document.querySelector('head').appendChild(style[j]); } var container = document.querySelector('.public-email .inner .stb-container-full'); if (container !== null) { document.querySelector('.public-email').innerHTML = container.outerHTML; } var bgf = document.getElementsByClassName('stb-container-full'); if (bgf.length !== 0) { document.body.classList.add("bgf"); var root = document.getElementsByTagName('html')[0]; root.setAttribute('class', 'bgf'); }