style.css

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;900&display=swap');

* {
    padding: 0;
    margin: 0;
}
html{
    font-size: 10px;
}
body{
    background:black
}

.time{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    color: #ffffff;
    /* text-shadow: h-shadow v-shadow blur-radius color|none|initial|inherit; */
    text-shadow: 0 0 2px #fff, 0 0 3px #fff, 0 0 5px #0073e6, 0 0 5px #0073e6, 0 0 100px #0073e6, 0 0 200px #0073e6;
    font-size:6rem ;
    font-weight: 500;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 7px;
    -webkit-box-reflect: below 2px linear-gradient(transparent,#0004);
}

@media(max-width:1000px) {
    html{
        font-size: 30%;
    }
}

@media(max-width:500px) {
    html{
        font-size: 15%;
    }
}