clock.css

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

:root {
    --light: #fff;
    --dark: #000;
    --hour-hand-color: #f5f5f5;
    --hour-hand-degrees: 0deg;
    --minute-hand-color: #e3e3e6;
    --minute-hand-degrees: 0deg;
    --second-hand-color: #c9dfec;
    --second-hand-degrees: 0deg;
    --numbers-color: #231464;
    --bullets-color: #34189b;
    --start: 0deg;
    --end: 0deg;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--dark);
}

.clock {
    position: relative;
    min-width: 320px;
    width: 25vw;
    height: 25vw;
    min-height: 320px;
    border-radius: 50%;
    background: conic-gradient(from var(--start),
            #ffffff80 2deg,
            #00000080 var(--end),
            #ffffffb3 2deg,
            #000000b3);
    margin: 0 auto;
    border: 7px solid #767ba3;
    box-shadow: inset 4px 4px 10px #00000080,
        inset -4px -4px 10px #1e3e4780, 4px 4px 10px #0000004d;
    overflow: hidden;
}

.clock::before {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #4215aa;
    background: radial-gradient(circle,
            #160f7ab3 80%,
            #9587d3e6 100%);
    content: "";
    z-index: -1;
}

.hand {
    position: absolute;
    left: 50%;
    bottom: 50%;
    height: 45%;
    width: 4px;
    margin-left: -2px;
    background: var(--second-hand-color);
    border-radius: 6px;
    transform-origin: bottom center;
    transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
    z-index: 1;
}

.second-hand {
    transform: rotate(var(--second-hand-degrees));
}

.hour-hand {
    height: 35%;
    width: 5px;
    border-radius: 40px;
    background-color: var(--hour-hand-color);
    transform: rotate(var(--hour-hand-degrees));
}

.minute-hand {
    height: 50%;
    background: var(--minute-hand-color);
    transform: rotate(var(--minute-hand-degrees));
}

.clock ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.clock ul li {
    position: absolute;
    width: 20px;
    height: 20px;
    font-family: "Georgia", Times, serif;
    font-weight: bold;
    font-size: 15px;
    line-height: 20px;
    text-align: center;
    color: var(--bullets-color);
}

.clock ul li:nth-child(1) {
    top: 7.5%;
    right: 23%;
}

.clock ul li:nth-child(2) {
    top: 25.5%;
    right: 6.75%;
}

.clock ul li:nth-child(3) {
    top: calc(50% - 13px);
    right: 2%;
    font-size: 26px;
    color: var(--numbers-color);
}

.clock ul li:nth-child(4) {
    top: 70%;
    right: 7%;
}

.clock ul li:nth-child(5) {
    top: 87%;
    right: 23.5%;
}

.clock ul li:nth-child(6) {
    top: calc(99% - 26px);
    right: calc(50% - 10px);
    font-size: 26px;
    color: var(--numbers-color);
}

.clock ul li:nth-child(7) {
    top: 86.4%;
    left: 23.3%;
}

.clock ul li:nth-child(8) {
    top: 70%;
    left: 7%;
}

.clock ul li:nth-child(9) {
    top: calc(50% - 13px);
    left: 2%;
    font-size: 26px;
    color: var(--numbers-color);
}

.clock ul li:nth-child(10) {
    top: 24.5%;
    left: 6.5%;
}

.clock ul li:nth-child(11) {
    top: 7%;
    left: 23.5%;
}

.clock ul li:nth-child(12) {
    top: 2%;
    right: calc(50% - 7px);
    font-size: 26px;
    color: var(--numbers-color);
}