body {
background-color: #1D4221;
color: white;
font-family: "Bai Jamjuree", sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 700px;
margin: 0;
}

button {
background-color: #64A712;
color: white;
font-family: "Bai Jamjuree", sans-serif;
}

.passo {
    display: none;
}

.passo.ativo {
    display:block;
}

main {
    text-align: center;
max-width: 90%;
}

img {
max-width: 90%;
}