styles.css

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Blaka Hollow', cursive;
}

body{
  background-color: #ECF0F1;
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

.clock{
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background-image: linear-gradient(
    48deg,
    rgba(112, 155, 159, 0.65) 0%,
    rgba(60, 95, 132, 0.75) 42%,
    rgba(215, 219, 221, 0.65) 100%
  );
  border: 1px solid black;
  position: relative;
}

.clock .number{
  --rotation: 0;

  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
  transform: rotate(var(--rotation));
  font-size: 1.8rem;
}

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

.clock .hand.hours{
  width: 10px;
  height: 25%;
  background-color: black;
}

.clock .hand.minutes{
  width: 6px;
  height: 32.5%;
  background-color: black;
}

.clock .hand.seconds{
  width: 3px;
  height: 40%;
  background-color: rgb(253, 0, 0);
}

.clock::after{
  background-color: black;
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  z-index: 11;
  transform: translate(-50%, -50%);
}

.clock .number.number-1{
  --rotation: 30deg;
}

.clock .number.number-2{
  --rotation: 60deg;
}

.clock .number.number-3{
  --rotation: 90deg;
}

.clock .number.number-4{
  --rotation: 120deg;
}

.clock .number.number-5{
  --rotation: 150deg;
}

.clock .number.number-6{
  --rotation: 180deg;
}

.clock .number.number-7{
  --rotation: 210deg;
}

.clock .number.number-8{
  --rotation: 240deg;
}

.clock .number.number-9{
  --rotation: 270deg;
}

.clock .number.number-10{
  --rotation: 300deg;
}

.clock .number.number-11{
  --rotation: 330deg;
}