<div>1234567890</div>

@import url('https://fonts.googleapis.com/css?family=Modak&display=swap');

@keyframes move {
    0% {
        background-position: 0% 0;
    }
    
    70% {
        background-position: 170% 0;
    }
    
    100% {
        background-position: 0% 0;
    }
}

body {
    background: #1C1C1C;
}

div {
    margin-top: 3rem;
    font-size: 10vw;
    text-align: center;
    font-family: 'Modak', cursive;
    color: #9BC53D;
    
    @supports ((-webkit-background-clip: text) or (background-clip: text)) {
        background: linear-gradient(to right, #9BC53D 0%, #FDE74C 70%, #9BC53D 100%);
        background-size: 200% 100%;
        background-clip: text;
        color: transparent;
        animation: move 5s ease infinite;
    }
}