body{
  margin: 0;
  padding: 0;
  background-color: aqua;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.clock{
  position: relative;
  background-color: rgb(47, 189, 158);
  width: 350px;
  height: 350px;
  border-radius: 50%;
  border: 5px solid black;
  box-shadow: 1px 1px 4px #0007;
}

.numbers div{
  position: absolute;
  font-size: 27px;
  font-weight: bold;
  color: whitesmoke;
  text-shadow: 1px 1px 2px #0007;
}

.twelve{
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
}

.three{
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
}

.six{
  bottom: 6px;
  left: 50%;
  transform: translate(-50%);
}

.nine{
  left: 6px;
  top: 50%;
  transform: translate(-50%);
}

.arrow{
display: flex;
width: 100%;
height: 100%;
justify-content: center;
align-items: center;
}

.arrow::before{
  content: "";
  width: 25px;
  height: 25px;
  background-color: aquamarine;
  border-radius: 50%;
  box-shadow: 1px 1p 2px #0007;
  z-index: 4;
}

.arrow div{
  background-color: white;
  width: 7px;
  position: absolute;
  height: 120px;
  transform-origin: bottom center;
  bottom: 50%;
  z-index: 3;
  border-radius: 50% 50% 0 0;
  box-shadow: 1px 1px 2px #0007;
}

.arrow .hour{
  height: 80px;
  transform: rotate(30deg);
  
}

.arrow .second{
  transform: rotate(25deg);
  background-color: yellowgreen;
  
}