body {
	font:13px/1.231 arial,helvetica,clean,sans-serif;
	/* for IE6/7 */ 
	*font-size:small; 
	/* for IE Quirks Mode */
	*font:x-small; 
}

/**
 * Nudge down to get to 13px equivalent for these form elements
 */ 
select,
input,
textarea,
button {
	font:99% arial,helvetica,clean,sans-serif;
}

/**
 * To help tables remember to inherit
 */
table {
	font-size:inherit;
	font:100%;
}

/**
 * Bump up IE to get to 13px equivalent for these fixed-width elements
 */
pre,
code,
kbd,
samp,
tt {
	font-family:monospace;
	*font-size:108%;
	line-height:100%;
}

/* font size */
.t10 {font-size:77%;} /* for setting 10px */
.t11 {font-size:85%;} /* for setting 11px */
.t12 {font-size:93%;} /* for setting 12px */
.t13 {font-size:100%;} /* for setting 13px */
.t14 {font-size:108%;} /* for setting 14px */
.t15 {font-size:116%;} /* for setting 15px */
.t16 {font-size:123.1%;} /* for setting 16px */
.t17 {font-size:131%;} /* for setting 17px */
.t18 {font-size:138.5%;} /* for setting 18px */
.t19 {font-size:146.5%;} /* for setting 19px */
.t20 {font-size:153.9%;} /* for setting 20px */
.t21 {font-size:161.6%;} /* for setting 21px */
.t22 {font-size:167%;} /* for setting 22px */
.t23 {font-size:174%;} /* for setting 23px */
.t24 {font-size:182%;} /* for setting 24px */
.t25 {font-size:189%;} /* for setting 25px */