#pdf1 article{
	display:flex;
	gap:40px;
}
#pdf1 article dl{
	width:calc((100% - 80px) / 3);
	text-align:center;
}
#pdf2 article ul{
	padding:0 0 0 30px;
	display:flex;
	flex-wrap:wrap;
}
#pdf2 article ul li{
	width:20%;
}