.bottom__language-switcher li a[hreflang="en-US"]:before {
    background-size: auto 15px;
    width: 15px;
    height: 15px;
    content: "";
    vertical-align: middle;
    display: inline-block;
    background-image: url('../Images/united-kingdom-icon.svg');
}

.bottom__language-switcher li a[hreflang="de-DE"]:before {
    background-size: auto 15px;
    width: 15px;
    height: 15px;
    content: "";
    vertical-align: middle;
    display: inline-block;
    background-image: url('../Images/germany-icon.svg');
}