body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: aliceblue;
    background-image: url(IMG/Dados.jpg);
    margin: 0px;
}
h1 {
    background-color: rgba(0, 0, 0, 0.253);
    color: aliceblue;
    text-align: center;
}
form{
    text-align: center;
}
li{
    color: white;
    text-align: center;
}
ol{
    max-width: auto;
    text-align: center;
    list-style: none;
}