style.css

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #19172e;
    font-family: "sans";
}

.heading {
    color: white;
    text-align: center;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    padding: 100px;
    line-height: 3vh;
}

.clock {
    width: 350px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(clock.png);
    background-size: cover;
}

.clock:before {
    content: "";
    position: absolute;
    width: 15px;
    height: 15px;
    background: #fff;
    border-radius: 50%;
    z-index: 10000;
}

.clock .hour,
.clock .min,
.clock .sec {
    position: absolute;
}

.clock .hour,
.hr {
    width: 160px;
    height: 160px;
}

.clock .min,
.mn {
    width: 190px;
    height: 190px;
}

.clock .sec,
.sc {
    width: 230px;
    height: 230px;
}

.hr,
.mn,
.sc {
    display: flex;
    justify-content: center;
    /* align-items: center; */
    position: absolute;
    border-radius: 50%;
}

.hr:before {
    content: "";
    position: absolute;
    width: 6px;
    height: 80px;
    background: #bb86fc;
    z-index: 10;
    border-radius: 6px 6px 0 0;
}

.mn:before {
    content: "";
    position: absolute;
    width: 4px;
    height: 90px;
    background: #fff;
    z-index: 11;
    border-radius: 6px 6px 0 0;
}

.sc:before {
    content: "";
    position: absolute;
    width: 2px;
    height: 150px;
    background: #70efde;
    z-index: 12;
    border-radius: 6px 6px 0 0;
}