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

body{
    background: linear-gradient(to right, hsl(200,100%,50%),hsl(175, 100%, 50%));
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.clock{
    width: 300px;
    height: 300px;
    background-color: rgb(230, 255, 1);
    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%;
    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;
}