var slides = document.getElementsByTagName('main')[0].children;
for (var i = 0; i < slides.length; i++) { slides[i].classList.add('active') }
['.active { height: 210mm; width: 297mm !important; }', '.slide { margin: 0 !important; box-sizing: border-box; overflow: hidden; }', 'nav { display: none; }'].forEach((r) => document.styleSheets[document.styleSheets.length - 1].insertRule(r));