.footer {
    background:rgb(15, 15, 15);
    padding: 10px 0;
}

.footer .social-icons {
    text-align: center;
}

.footer ul {
    text-align: center;
    font-size: 1.8rem;
}

.footer ul li {
    display: inline-block;
    margin: 20px;
}

.footer ul li a {
    color: white;
    border-bottom: 3px solid transparent;
    transition: 0.3s ease-in-out;
}

.footer ul li a:hover {
    border-bottom:3px solid var(--main-color);
}

.footer {
    text-align: center;
    margin-top: 40px;
    font-size: 16px;
}

#copyright {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 16px;
    color: aliceblue;
}

@media (max-width: 768px) {
    .footer ul li {
        margin: 0 10px;
    }

    .footer p {
        font-size: 1.4rem;
    }

    #copyright {
        font-size: 1.4rem;
    }
}

@media (max-width: 450px) {
    .footer ul li {
        margin: 0 5px;
        font-size: 1.6rem;
    }

    .footer p, #copyright {
        font-size: 1.2rem;
    }
}