body {
	font-size: 100%;
	text-align: left;
	font-family: Arial, Helvetica, sans-serif;
}

/******RITMO VERTICALE************/

P, blockquote{
	line-height: 1.5; /*(12 X 1.66 = 20px) OGNI RIGA 20px*/
	margin:1.66em 0;
	font-size: 0.9em; /*con base 16px (12px)*/
}
h1 {
	font-size:1.66em; /*(20px)*/
	line-height: 1; 
	/*margin top  20+16 px (per arrivare a 2 righe)
	margin-bottom 1 riga , cioč 20px*/
	margin-top: 2em;/*2 righe */
	margin-bottom: 1em; /*(1 riga)*/
}
h2 {
	font-size:1.33em; /*(16px)  */
	line-height: 1.25; /*(16 X 1.25 = 20px) */
	margin-top: 2.5em;/* 16 x 2.5  = 40px 2 righe */
	margin-bottom: 1.25em; /* 16 x 1.25  = 20px (1 riga)*/
}
h3 {
	font-size:1.17em;  /*(14px)*/
	line-height: 1.43; /*(14 X 1.43 = 20px) */
	/*margin-top: 2.86em;/* 14 x 2.86  = 40px 2 righe */
	margin-bottom: 1.43em; /* 14 x 1.43  = 20px (1 riga)*/
}
h4{
	font-size:1em;  /*(12px)*/
	line-height: 1.66; 
	margin-top: 3.33em;/* 12 x 3.33  = 40px 2 righe */
	margin-bottom: 1.66em; /* (1 riga)*/
}
/******************************************/

blockquote{
	font-style: italic;
	margin-left: 1.66em;
	margin-right: 1.66em;
}


/*letter spacing per abbr e acronym*/
abbr, acronym {
	letter-spacing:0.1em
}