.negrita { font-weight: bold;}
.cursiva {font-style: italic;}
.grande{font-size: 20px;}
.masgrande{font-size: 25px;}
.pequeño{font-size: 10px;}
.maspequeño{font-size: 7px;}
.tachado{text-decoration:line-through;}
.subrayado{text-decoration:underline}