.services__header__title h3::after {
    content: "Modalidades";
    color: black; /* o el color que quieras */
    position: absolute;
    left: 0;
    top: 0;
}

.services__header__title h3 {
    color: transparent;
    position: relative;
}



a[href*="Servicios"]::after {
    content: "Modalidades";
    color: green; /* o el color que quieras */
    position: absolute;
    left: 0;
    top: 0;
}

a[href*="Servicios"]{
    color: transparent;
    position: relative;
}