Problemas con tamaño de texto en el body

[filly]

Aquí os dejo mi código:




@charset "utf-8";
/* CSS Document */

.tabla_centro{
margin: 0px;
padding: 0px;
border: 1px solid #FD8239;
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #FFFFFF;

}.tabla_descripcion {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10px;
color: #D4D0C8;
text-align: left;
margin: 4px;
text-indent: 8px;
border-top-width: 0px;
border-right-width: 0px;
border-bottom-width: 0px;
border-left-width: 0px;
}
.tabla_contenedor {
background-color: #003366;
border: 8px solid #0E2E71;
}

body {
font-family: Verdana;
font-size: 12px;
font-style: normal;
line-height: normal;
color: #FFFFFF;
background-color: #0E2E71;
text-decoration: none;
}
a:link {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
color: #FFCF00;
text-decoration: none;
}
a:visited {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
color: #FFCF00;
text-decoration: none;
}
a:active {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
color: #FCC90E;
text-decoration: none;
}
a:hover {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 11px;
color: #FF6600;
text-decoration: underline;
}
input {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #FFFFFF;
background-color: #006699;
height: 20px;
border: 1px solid #FF9900;
}


.normal {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10px;
color: #FFFFFF;
}
.tabla1 {
border: 1px dashed #FCC90E;
line-height: 30px;
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
color: #FFFFCC;
text-align: left;
margin: 5px;
padding: 5px;
}