section {
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px
}
.container h8 {
    font-size: 5vw;
    color: #000000;
    position: relative;
}
.container h8::before {
    position: absolute;
    content: attr(data-text);
    text-shadow: 0px 0px 20px cyan;
    filter: blur(10px) brightness(0);
    animation: animate 2s linear infinite;
    animation-delay: 1s;
}
@keyframes animate {
    0% {
        filter: blur(10px) brightness(1);
    }
    3% {
        filter: blur(10px) brightness(0);
    }
    6% {
        filter: blur(10px) brightness(1);
    }
    8% {
        filter: blur(10px) brightness(0);
    }
    9% {
        filter: blur(10px) brightness(1);
    }
    10% {
        filter: blur(10px) brightness(0);
    }
    20% {
        filter: blur(10px) brightness(0);
    }
    50% {
        filter: blur(10px) brightness(1);
    }
    90% {
        filter: blur(10px) brightness(0);
    }
    99% {
        filter: blur(10px) brightness(0);
    }
    100% {
        filter: blur(10px) brightness(1);
    }
}
@media only screen and (max-width: 1000px) {
    section {
        margin-top: 10px;
        margin-left: 0;
        margin-right: 0;
    }
    .container h8 {
        font-size: 6vw;
    }
}