*, *::after, *::before{
    box-sizing: border-box;
    font-family: Gotham Rounded, sans-serif;
}

body {
    background: rgb(113, 193, 212);

    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.clock {
    width: 300px;
    height: 300px;
    background-color: rgba(255, 255, 255, .8);
    border-radius: 50%;
    border:2px solid black;
    position: relative;
}

.clock .number{
    --rotation: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    transform: rotate(var(--rotation));
    font-size: 1.5rem;
}

.clock .number1 { --rotation: 30deg}
.clock .number2 { --rotation: 60deg}
.clock .number3 { --rotation: 90deg}
.clock .number4 { --rotation: 120deg}
.clock .number5 { --rotation: 150deg}
.clock .number6 { --rotation: 180deg}
.clock .number7 { --rotation: 210deg}
.clock .number8 { --rotation: 240deg}
.clock .number9 { --rotation: 270deg}
.clock .number10 { --rotation: 300deg}
.clock .number11 { --rotation: 330deg}

.clock .hand {
    --rotation: 0;
    position: absolute;
    bottom: 50%;
    left:50%;
    background-color: black;
    border:1px solid white;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    transform-origin: bottom;
    z-index:  10;
    transform: translateX(-50%) rotate(calc(var(--rotation) * 1deg));
}

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

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

.clock .hand.minute{
    width: 7px;
    height: 40%;
    background-color: black;
}

.clock .hand.hour{
    width: 10px;
    height: 35%;
    background-color: black;
}