#footer {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    box-sizing: border-box;
    padding: 30px;
}
#footer-bg {
    height: 100px;
    background-color: #243371;
}

#footer .links {
    position: relative;
}
#footer .links > a {
    display: inline-block;
    position: relative;
    width: 30px;
    height: 30px;
    background-color: #fff;
    border-radius: 100%;
}
#footer .links > a + a {
    margin-left: 15px;
}
#footer .links > a > img {
    width: 100%;
}

#footer > .contact-infos {
    color: #fff;
    font-size: 17px;
}

#footer > .copyright {
    color: #fff;
    font-size: 17px;
}

#footer .links > a:nth-child(3), #footer .links > a:nth-child(4) {
    background-color: transparent;
}

.lg #footer .links > a {
    transition: 0.2s;
}
.lg #footer .links > a:hover {
    transform: scale(1.1);
}

.md #footer {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    height: 121px;
    box-sizing: border-box;
    padding: 20px;
}
.md #footer-bg {
    height: 121px;
}

.md #footer .links {
    margin-bottom: 18px;
}

.md #footer > .contact-infos {
    font-size: 15px;
}

.md #footer > .copyright {
    font-size: 15px;
}

.sm #footer {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    height: 121px;
    box-sizing: border-box;
    padding: 20px;
}
.sm #footer-bg {
    height: 121px;
}

.sm #footer .links {
    margin-bottom: 18px;
}

.sm #footer > .contact-infos {
    font-size: 12px;
}

.sm #footer > .copyright {
    font-size: 12px;
}