#tasca li {
margin-bottom: 10px;
color: green;

}
#iconos{
width:100%;
padding-bottom: 10px;
background-color:#efebe7;

}

#mail_monica {
border:3px solid #efebe7;



}
#cabecera_mail {
padding-top: 10px;
padding-bottom: 10px;
background-color:#efebe7;
border-top: 1px solid #ccc;
}

.cabecera {
font-weight: bold;
display: block;
width: 100px;
text-align: right;
margin-right: 10px;
}

#texto_mail {
padding: 20px ;

}