body {
    background-image:url(../images/logo_a.gif);
    color: white;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 
                'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-size:small;
    margin: 15px;
    padding: 0px;               
}
a, a:window-inactive {
    color:white;
}
a::first-letter {
    cursor:pointer;
    color:gold;
}
a:visited, a:default {
    color:grey;
    text-decoration-line:none;
}
a:hover {
    cursor:pointer;
    color:gold;
}
strong {
    cursor:text;
    color:darkgrey;
}
div {
    display: grid;
    /* ajusta el contenido al centro */
    justify-content:center ;    
}
#organisation {
    border: 7px outset navy;
    background-color: navy;
    background: radial-gradient(closest-side, blue, navy);
    width: 780px;
    margin-left: 30px;
    margin-right: 30px;
    padding: 0px;
    padding-top: 20px;
    padding-bottom: 10px;
    text-align:center;
    justify-content:center ;    
}
#plano{
    border: 5px outset darkgrey;
    width: 479px;
    height: 330px;
    margin-left: 75px;
    margin-right: 75px;
    padding: 0px;
    text-align:center;
}