body {
        font-family:Tahoma, Geneva, sans-serif;
        font-size:0.8em;
        background-color: #fff;
}
#formulario {
        position:relative;
        background-color: #fff;
        width:900px;
}
#cabecera {
        position:relative;
        background-color: #fff;
        height:100px;
        width:900px;
        background-image:url(cabecera.jpg);
}
.cuadro1 {
        position:relative;
        background-color: #e9e9e9;
        padding:20px;
        border-bottom:4px solid #fff;
        text-align:justify;
}
.cuadro2 {
        position:relative;
        background-color: #b8b8b8;
        padding:20px;
        border-bottom:4px solid #fff;
        text-align:justify;
}
h1 {
        text-transform:uppercase;
        font-family:Tahoma, Geneva, sans-serif;
        font-size:1em;
        color:#693;	
}
em {
        font-size:0.9em;
        color:#333;
}
#txt1 {
        position:relative;
        font:Arial;
        font-size:0.8em;
        color:#333;
        width:900px;
        text-align:justify;
}
#txt2 {
        position:relative;
        font:Arial;
        font-size:0.8em;
        color:#666;
        width:900px;
        text-align:justify;
}
#mensaje{padding:5px}
.green{background-color:lightgreen}
.red{background-color:orange}