body{
    background:#0d0d0d;
    color:white;
    font-family:Arial,sans-serif;
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    margin:0;
}

.contenedor{
    text-align:center;
}

.sobre{
    background:#1e1e1e;
    padding:20px;
    border-radius:15px;
    cursor:pointer;
    border:1px solid #444;
}

.sobre:hover{
    transform:scale(1.03);
}

.carta{
    display:none;
    background:#1e1e1e;
    margin-top:20px;
    padding:25px;
    border-radius:15px;
    max-width:350px;
    border:1px solid #444;
}

.mostrar{
    display:block;
}

h2{
    text-align:center;
}

.foto{
    width:100%;
    border-radius:15px;
    margin:15px 0;
}