body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

span {
    color: rgba(0, 0, 0, 0.1);
    cursor: progress;
    border-top: 2px solid rgba(0, 0, 0, 0.1);
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    font-family: cursive;
    letter-spacing: 30px;
    font-weight: bold;
    font-size: 80px;
    animation: animate 3s infinite;
}

span:nth-child(1) {
    animation-delay: 0.2s;
}

span:nth-child(2) {
    animation-delay: 0.4s;
}

span:nth-child(3) {
    animation-delay: 0.6s;
}

span:nth-child(4) {
    animation-delay: 0.8s;
}

span:nth-child(5) {
    animation-delay: 1s;
}

span:nth-child(6) {
    animation-delay: 1.2s;
}

span:nth-child(7) {
    animation-delay: 1.4s;
}

@keyframes animate {
    0% {
        color: #00FFCD;
        border-color: #00FFCD;
        text-shadow: 0px 0px 50px #00FFCD;
    }

    80% {
        border-color: #fff;
        color: #fff;
        text-shadow: 0px 0px 50px #fff;
    }
}

::selection {
    color: none;
    background: none;
}