body{
    margin: 0;
    padding: 0;
    background: #e4e4ef;
    background-image: url(../ima/fondo_flautal.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    font-family: sans-serif;
}

svg{
    display: flex;
    width: 100%; 
    height: 100%;                         
    margin: auto;
    position: absolute;           
}