style.css

* {
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
    color: white;
}

body {
    background-image: url(https://wallpaperaccess.com/full/423924.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    height: 100vh;

    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

h1 {
    font-weight: normal;
    font-size: 4vw;
    margin-bottom: 15px;
    transform: scale(2);
}

.countdown {
    display: flex;
    gap: 3vw;
}

.time {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 4vw;
}

.time h2 {
    font-weight: bold;
}

footer {
    position: fixed;
    bottom: 0;
    text-align: center;
    padding: 20px;
    background-color: rgba(255, 255, 255, .2);
    width: 100%;
    color: black;
}

footer a {
    color: inherit;
    font-weight: 700;
    text-decoration: none;
}

footer span {
    color: inherit;
}