.std-clock {
  width: 200px;
  height: 200px;
  border: 10px solid #333;
  border-radius: 50%;
  position: relative;
  background-color: white;
  margin: 0 auto;
}

.std-hand {
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform-origin: bottom;
  background: #333;
  transform: translateX(-50%);
}

.std-hour {
  width: 6px;
  height: 50px;
  background: black;
}

.std-minute {
  width: 4px;
  height: 70px;
  background: #666;
}

.std-second {
  width: 2px;
  height: 80px;
  background: red;
}

.std-center-dot {
  width: 12px;
  height: 12px;
  background: #333;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}