.folder-header{padding:20px;margin:0 auto;font-size:1.5em;text-align:center}.folder-page{width:100%;aspect-ratio:0.7092198582;max-width:1400px;max-height:calc(100vh - 260px);margin:0 auto}.folder-page iframe{display:block;border:0;width:100%;height:100%;margin:0;padding:0}