.titulo-principal {
    margin-bottom: 20px;
    color: blue;
}

.destaque {
    color: #0f0;
    background-color: yellow;
}

#especial {
    font-style: italic;
    border-left: 3px solid green;
    padding-left: 5px;
}

p {
    line-height: 1.6;
}

.bloco-um p {
    background-color: lightgray;
}

.titulo-bloco {
    border-bottom: 2px solid gray;
}


.bloco-dois {
    font-family: Arial, sans-serif;
    padding: 10px;
}

.lista-itens .item {
    margin-bottom: 5px;
}


.lista-itens .destaque {
    background-color: lightblue;
}

#ultimo-item {
    color: darkblue;
}