footer {
    width: 100%;
    line-height: 100px;
    text-align: center;
    color: white;
    background-color: rgb(17, 17, 17);
    margin-top: 50px;
    font-size: 1.4rem;
    text-transform: capitalize;
    border-top: 2px solid #1976D2;
}

footer span {
    color: #1976D2;
    font-weight: bold;
}