h1 	{ display: block; color: green; border-style: solid; border-color: #ccc; font-family: sans-serif; }

table.libri 	{ border: thin; color: blue; font-style: italic; }
table.libri td	{ BORDER-RIGHT: red thin; PADDING-RIGHT: 1ex; BORDER-TOP: red thin solid; PADDING-LEFT: 1ex; PADDING-BOTTOM: 1ex; BORDER-LEFT: red thin dotted; PADDING-TOP: 1ex; BORDER-BOTTOM: red thin; }
table.libri td.Arezzo	{ background-color: Yellow; }
table.libri td.Firenze	{ background-color: Silver; }