.icon {
    font-size: 0;
    display: block;
    width: 40px;
    height: 40px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}
.icon.insta,
.icon.instagram {
    background-image: url("../images/icons/insta-white.svg");
}
.icon.linkedin {
    background-image: url("../images/icons/linkedin-white.svg");
}
.icon.facebook {
    background-image: url("../images/icons/facebook-white.svg");
}
.icon.black {
    filter: invert(1);
}