.small  { font-size: 10.0px; line-height: 14.0px; }
.middle { font-size: 12.0px; line-height: 17.0px; }
.big    { font-size: 14.0px; line-height: 20.0px; }
.nsmall  { font-size: 10.0px;}
.nmiddle { font-size: 12.0px;}
.nbig    { font-size: 14.0px;}