html {
  height: 100%;
}
body {
  min-height: 100%;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  -webkit-box-align: center;
          align-items: center;
  background: #EEE;
}
.flip-clock {
  text-align: center;
  -webkit-perspective: 600px;
          perspective: 600px;
  margin: 0 auto;
}
.flip-clock *,
.flip-clock *:before,
.flip-clock *:after {
  box-sizing: border-box;
}
.flip-clock__piece {
  display: inline-block;
  margin: 0 0.2vw;
}
@media (min-width: 1000px) {
  .flip-clock__piece {
    margin: 0 5px;
  }
}
.flip-clock__slot {
  font-size: 1rem;
  line-height: 1.5;
  display: block;
  /*
  //position: relative;
  //top: -1.6em;
  z-index: 10;
  //color: #FFF;
*/
}
.flip-card {
  display: block;
  position: relative;
  padding-bottom: 0.72em;
  font-size: 2.25rem;
  line-height: 0.95;
}
@media (min-width: 1000px) {
  .flip-clock__slot {
    font-size: 1.2rem;
  }
  .flip-card {
    font-size: 3rem;
  }
}
/*////////////////////////////////////////*/
.flip-card__top,
.flip-card__bottom,
.flip-card__back-bottom,
.flip-card__back::before,
.flip-card__back::after {
  display: block;
  height: 0.72em;
  color: #ccc;
  /* background: #222; */
  background: #324fa0;
  padding: 0.23em 0.25em 0.4em;
  border-radius: 0.15em 0.15em 0 0;
  backface-visiblity: hidden;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  width: 1.8em;
}
.flip-card__bottom,
.flip-card__back-bottom {
  color: #FFF;
  position: absolute;
  top: 50%;
  left: 0;
  border-top: solid 1px #000;
  /* background: #393939; */
  background: #284696;
  border-radius: 0 0 0.15em 0.15em;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}
.flip-card__back-bottom {
  z-index: 1;
}
.flip-card__bottom::after,
.flip-card__back-bottom::after {
  display: block;
  margin-top: -0.72em;
}
.flip-card__back::before,
.flip-card__bottom::after,
.flip-card__back-bottom::after {
  content: attr(data-value);
}
.flip-card__back {
  position: absolute;
  top: 0;
  height: 100%;
  left: 0%;
  pointer-events: none;
}
.flip-card__back::before {
  position: relative;
  overflow: hidden;
  z-index: -1;
}
.flip .flip-card__back::before {
  z-index: 1;
  -webkit-animation: flipTop 0.3s cubic-bezier(0.37, 0.01, 0.94, 0.35);
          animation: flipTop 0.3s cubic-bezier(0.37, 0.01, 0.94, 0.35);
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  -webkit-transform-origin: center bottom;
          transform-origin: center bottom;
}
.flip .flip-card__bottom {
  -webkit-transform-origin: center top;
          transform-origin: center top;
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  -webkit-animation: flipBottom 0.6s cubic-bezier(0.15, 0.45, 0.28, 1);
          animation: flipBottom 0.6s cubic-bezier(0.15, 0.45, 0.28, 1);
}
@-webkit-keyframes flipTop {
  0% {
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    z-index: 2;
  }
  0%,
  99% {
    opacity: 1;
  }
  100% {
    -webkit-transform: rotateX(-90deg);
            transform: rotateX(-90deg);
    opacity: 0;
  }
}
@keyframes flipTop {
  0% {
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    z-index: 2;
  }
  0%,
  99% {
    opacity: 1;
  }
  100% {
    -webkit-transform: rotateX(-90deg);
            transform: rotateX(-90deg);
    opacity: 0;
  }
}
@-webkit-keyframes flipBottom {
  0%,
  50% {
    z-index: -1;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 0;
  }
  51% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    z-index: 5;
  }
}
@keyframes flipBottom {
  0%,
  50% {
    z-index: -1;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 0;
  }
  51% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    z-index: 5;
  }
}