.blackb
{
        font-size: 12px;
        font-family: Arial, Helvetica, Sans-serif;
        line-height: 15px;
        font-weight: bold;
        color: #OOOOOO;
}

.orangeb
{
        font-size: 12px;
        font-family: Arial, Helvetica, sans-serif;
        line-height: 15px;
        font-weight: bold;
        color: #990033;
}

.cuerpo
{
        font-size: 12px;
        font-family: Arial, Helvetica, sans-serif;
        line-height: 15px;
        color: #000000;
        
}

body
{
        font-size: 12px;
        font-family: Arial, Helvetica, Sans-serif;
        line-height: 14px;
        color: #OOOOOO;
        
}.libros { font-size: 12px; font-family: Arial, Helvetica, sans-serif; line-height: 14px; }