.footer {
    margin-top: 50px;
    background-color: #2c3e50;
    padding: 60px 0;
}

.darkBg {
    color: #bdc3c7;
}

.darkBg a {
    color: #1abc9c;
}

.darkBg h3 {
    color: white;
    margin-top: 20px;
}

.btn-greenSea {
    background-color: #2ecc71;
    color: white;
}

.btn-greenSea:hover {
    background-color: #27ae60;
    color: white;
}