a { text-decoration: none} 
.small { font-size: 12px; line-height: 120%; } 
.normal { font-size: 14px; line-height: 130%} 
.big { font-size: 15px; line-height: 120% } 
.bigger { font-size: 17px; line-height: 140%}
.biggest{ font-size: 19px; line-height: 130% }