body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}
h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; }
p { font-size: 1.2rem; }

.overlay {
    background-image: url('https://picsum.photos/1280/720');
    background-size: cover;
    background-position: center;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: aliceblue;
    text-align: center;
    position: relative;
}
.overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65); /* Camada escura para contraste */
    z-index: 1;
}
.content {
    position: relative;
    z-index: 2;
}
.icon {
    height: 2.8rem;
    transform: translateY(0.5rem);
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    p { font-size: 1rem; }
}