Блясък за вашите имена по избран начин Пускам го безплатно

@HarveyWNvm rainbowanimate {
0% {
    filter: hue-rotate(-360deg);
}
100% {
    filter: hue-rotate(360deg);
}
}

.username-coloured {
    background-image: url(https://i.imgur.com/M4imw07.gif), linear-gradient(90deg,#f00 0%,#29ff00 100%,#fff);
    background-clip: border-box;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #FF512F;
    font-weight: 700;
    text-shadow: 0px 0px 5px #727309;
    animation: rainbowanimate 5s infinite linear;
}