html, body {
    height: 100%;
    margin: 0;
}
.hero {

    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 10vh;
    text-align: center;
    background: url('/assets/img/rodape.png') no-repeat bottom center, radial-gradient(circle, #fffbc6, white);
    background-size: 100% auto, cover;
    background-attachment: scroll;
    position: relative;
}
.hero img {
    max-width: 80%;
    margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
    .hero img {
        max-width: 500px;
    }
}
.hero .lead {
    max-width: 780px;
    margin-bottom: 2rem;
    color: #30180e;
    padding: 1rem;
    border-radius: 0.8rem;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.social {
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 1rem;
}
.social a {
    margin: 0 .5rem;
    color: #495057;
    font-size: 1.75rem;
    transition: color .3s;
}
.social a:hover {
    color: #548148;
}