button { position:absolute; right:20px; top:20px; font-size:40px; }
textarea { width:100%; height:90vh; padding:20px; font-size:20px; font-family:monospace; }
small { display:block; width:100%; text-align:center; font-size:20px; font-family:sans-serif; margin-top:10px; color:#999; }