#hero,
#instagram,
#contato {
    padding: 40px 0;
}

.cta a {
    display: inline-block;
    color: #fff;
    background-color: #ff6900;
    display: inline-block;
    border-radius: 5px;
    font-size: 1.3rem;
    padding: 10px 15px;
    transition: all .3s;
}

.cta a:hover {
    background-color: #cc4500;
    color: #ddd;
}