estilo.css

.secao-topo{
    border-bottom: 1px solid #d5d5d5;
}

.secao-largura-limitada{
    width: 800px;
    margin: 0 auto;
}

.secao-topo p{
    padding: 20px;
    font-size: 22px;
    font-weight: bold;
}

h1, h2, h3{
    margin: 0;
}

.secao-background-capa{
    min-height: 500px;
    background-image: url(./img/capa.jpg);
    background-size: cover;
}

.secao-background-conteudo{
    text-align: right;
    padding: 50px 20px;
}

.secao-conteudo{
    padding: 50px 20px;
}

.img-conteudo{
    width: 250px;
    height: 180px;
}

.secao-background-divisao{
    padding: 50px 0;
    text-align: center;
    background-image: url(./img/fundo.jpg);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

.secao-background-divisao h3{
    font-size: 36px;
    background-color: #fff;
    width: 200px;
    margin: 0 auto;
    border-radius: 20px;
}