*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    padding: 0;
    margin: 0;
    height: 100vh;
    width: 100vw;
    font-family: 'Mukta', sans-serif;
    background: linear-gradient(to left, hsl(229, 80%, 71%), hsl(212, 86%, 47%));
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.clock {
    width: 800px;
    max-width: 90%;
    height: 800px;
    max-height: 95%;
    background-color: rgb(255, 255, 255, .8);
    border-radius: 400px;
    border: 2px solid black;
    position: relative;
}

.number {
    --rotate: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    transform: rotate(var(--rotate));
    font-size: 300%;
}

.number1 {
    --rotate: 30deg;
}

.number2 {
    --rotate: 60deg;
}

.number3 {
    --rotate: 90deg;
}

.number4 {
    --rotate: 120deg;
}

.number5 {
    --rotate: 150deg;
}

.number6 {
    --rotate: 180deg;
}

.number7 {
    --rotate: 210deg;
}

.number8 {
    --rotate: 240deg;
}

.number9 {
    --rotate: 270deg;
}

.number10 {
    --rotate: 300deg;
}

.number11 {
    --rotate: 330deg;
}

.clock .hand {
    --rotate: 30;
    position: absolute;
    bottom: 50%;
    left: 50%;
    background-color: black;
    transform-origin: bottom;
    transform: translateX(-50%) rotate(calc(var(--rotate) * 1deg));
    border: 1px solid white;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    z-index: 10;
}

.clock::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border-radius: 25px;
    background-color: black;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    z-index: 11;
}

.clock .hand.hour {
    width: 10px;
    height: 35%;
}

.clock .hand.minute {
    width: 7px;
    height: 40%;
}

.clock .hand.second {
    width: 3px;
    height: 45%;
    background-color: red;
}