body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fffbe6;
    color: #333;
}
.topo {
    background-color: #f1c40f;
    color: #000;
    padding: 2em;
    text-align: center;
}
.banner img {
    width: 100%;
    height: auto;
}
.como-funciona {
    padding: 2em;
    text-align: center;
}
.acoes {
    text-align: center;
    margin: 2em;
}
.botao {
    display: inline-block;
    background-color: #f39c12;
    color: white;
    padding: 1em 2em;
    text-decoration: none;
    border-radius: 5px;
    margin: 0.5em;
    font-weight: bold;
}
.botao:hover {
    background-color: #e67e22;
}
footer {
    background-color: #f1c40f;
    color: #000;
    text-align: center;
    padding: 1em;
    position: relative;
    bottom: 0;
    width: 100%;
}