style.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #282828;
}

.clock {
  display: flex;
  width: 350px;
  height: 350px;
  justify-content: center;
  align-items: center;
  background: url(http://samuel-garcia.site/img/clock-sam.png);
  background-size: cover;
  border: 4px solid #191919;
  border-radius: 50%;
  box-shadow: -4px -4px 10px rgba(67, 67, 67, 0.5), inset 4px 4px 10px rgba(0, 0, 0, 0.5), inset -4px -4px 10px rgba(67, 67, 67, 0.3), 4px 4px 10px rgba(0, 0, 0, 0.3);
}

.clock:before {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  background: #747474;
  border-radius: 50%;
  z-index: 999;
}

.clock .hour,
.clock .min,
.clock .sec {
  position: absolute;
}

.clock .hour, .hr {
  width: 160px;
  height: 160px;
}

.clock .min, .mn {
  width: 190px;
  height: 190px;
}

.clock .sec, .sc {
  width: 230px;
  height: 230px;
}

.hr, .mn, .sc {
  display: flex;
  justify-content: center;
  /*align-items: center;*/
  position: absolute;
  border-radius: 50%;
}

.hr:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 80px;
  background: #ffb510;
  z-index: 9;
  border-radius: 6px 6px 0 0;
}

.mn:before {
  content: "";
  position: absolute;
  width: 4px;
  height: 90px;
  background: #8b8b8b;
  z-index: 10;
  border-radius: 6px 6px 0 0;
}

.sc:before {
  content: "";
  position: absolute;
  width: 2px;
  height: 150px;
  background: #e5e5e5;
  z-index: 11;
  border-radius: 6px 6px 0 0;
}