style.css

body {
    margin: 0;
    background-image: url("clockwallpaper.png");
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#clockContainer {
    position: relative;
    width: clamp(200px, 45vw, 90vh); /* Scales between 200px and 90% of the viewport height */
    height: clamp(200px, 45vw, 90vh); /* Matches the width */
    border: 0.4em solid red;
    border-radius: 50%;
    margin: auto;
    background-color: rgb(42, 45, 45);
    background-image: url("clock1.png");
    background-size: cover;
    box-shadow: 0 0 1em rgba(255, 0, 0, 0.5), 0 0 3em rgba(255, 255, 255, 0.2);
}

#hour, #minute, #second {
    position: absolute;
    background: red;
    border-radius: 10px;
    transform-origin: bottom;
    transition: transform 0.05s linear;
}

#hour {
    height: 22%;
    width: 1%;
    top: 28%;
    left: 49.5%;
    box-shadow: 0 0 0.5em rgba(255, 0, 0, 0.8);
}

#minute {
    height: 28%;
    width: 0.7%;
    top: 22%;
    left: 49.65%;
    background-color: blue;
    box-shadow: 0 0 0.5em rgba(0, 0, 255, 0.8);
}

#second {
    height: 35%;
    width: 0.5%;
    top: 15%;
    left: 49.75%;
    background-color: green;
    box-shadow: 0 0 0.5em rgba(0, 255, 0, 0.8);
}

@media (max-width: 768px) {
    #clockContainer {
        border: 0.3em solid red;
        box-shadow: 0 0 0.8em rgba(255, 0, 0, 0.5), 0 0 2em rgba(255, 255, 255, 0.2);
    }

    #hour {
        width: 0.8%;
    }

    #minute {
        width: 0.6%;
    }

    #second {
        width: 0.4%;
    }
}

@media (max-width: 480px) {
    #clockContainer {
        border: 0.2em solid red;
    }
}