.clock {
margin:0 auto;
  background: transparent url(chronometre.svg) no-repeat center;
  background-size: 100%;
  height: 100%;
  position: relative;
  width: 5rem;
  cursor:pointer;
}

.clock.simple:after {
  background: #000;
  border-radius: 50%;
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 5%;
  height: 5%;
  z-index: 10;
}

.minutes-container, .hours-container, .seconds-container {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.hours {
	border-radius:85% / 10%;
  background: #000;
  height: 15%;
  left: 49%;
  position: absolute;
  top: 35%;
  transform-origin: 50% 100%;
  width: 2%;
  min-width: 1px;
}

.minutes {
	border-radius:150% / 10%;
  background: #000;
  height: 20%;
  left: 49%;
  position: absolute;
  top: 30%;
  transform-origin: 50% 100%;
  width: 2%;
  min-width: 1px;
}

.seconds {
	border-radius:200% / 10%;
  background: #f00;
  height: 25%;
  left: 49%;
  position: absolute;
  top: 25%;
  transform-origin: 50% 100%;
  width: 2%;
  min-width: 1px;
  z-index: 8;
}

@-webkit-keyframes rotate {
  100% {
	-webkit-transform: rotateZ(360deg);
    transform: rotateZ(360deg);
  }
}
@keyframes rotate {
  100% {
	-webkit-transform: rotateZ(360deg);
    transform: rotateZ(360deg);
  }
}

/* mouvement fluide */
.clock-start .hours-container {
  animation: rotate 43200s infinite linear;
}
.clock-start .minutes-container {
  animation: rotate 3600s infinite linear;
}
.clock-start .seconds-container {
  animation: rotate 60s infinite linear;
}

/* mouvement saccadé */
.clock-start .minutes-container {
  animation: rotate 3600s infinite steps(60);
}
.clock-start .seconds-container {
  animation: rotate 60s infinite steps(60);
}

/* mouvement rebond */
.minutes-container {
  transition: transform 0.3s cubic-bezier(.4,2.08,.55,.44);
}
.seconds-container {
  transition: transform 0.2s cubic-bezier(.4,2.08,.55,.44);
}