body{
    background-color: rgb(1, 1, 65);
}

h1{
    color: darkblue;
    text-shadow: 1px  1px 1px #000;
}

h2{
    color: blue;
    text-shadow: 1px  1px 1px #000;
}

.nav-btn{
    top: 50%;
    background-color: blue;
    color: white;
    padding: 15px 32px;
    margin: 4px 2px;
    border-radius: 8px;
    text-align: justify;
}

.nav-btn:hover{
    background-color: darkblue;
}

#milieu{
    width: 800px;
    margin:0 auto;
    background-color: white;
    text-align: center;
    align-content: center;
}