body, table, th, td{ 
	font-size:16px;
	line-height:1.3;
}

#sml {background:url(../image/txt.jpg) no-repeat 0 0;}
#mdl {background:url(../image/txt.jpg) no-repeat -26px 0;}
#big {background:url(../image/txt_o.jpg) no-repeat -52px 0;}