.flipTimer {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: max(1.5vw, 1rem);
}

.flipTimer > div {
  flex: 0 1 auto;
}

.timer-label {
  position: relative;
  font-size: 1.6rem;
  color: #0876ab;
  text-align: center;
  height: 4rem;
  font-weight: 600;
}

.flipTimer .seconds,
.flipTimer .minutes,
.flipTimer .hours,
.flipTimer .days {
  position: relative;
  display: block;
}

.flipTimer .digit-set {
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  border: 1px solid #111111;
  display: inline-block;
  width: max(5rem, 1em);
  height: clamp(6rem, 8vw, 10rem);
  position: relative;
  margin: 0 2px;
  font-family: 'Figtree', sans-serif;
  font-size: clamp(4rem, 6vw, 7.2rem);
  line-height: clamp(6rem, 8vw, 10rem);
  color: #fff;
  font-weight: bold;
}

.flipTimer .digit {
  position: absolute;
  width: 100%;
  height: 100%;
  text-align: center;
}

.flipTimer .digit > div {
  position: absolute;
  left: 0;
  overflow: hidden;
  width: 100%;
  height: 50%;
  padding: 0 1rem;
}

.flipTimer .digit > div.digit-top,
.flipTimer .digit > div.shadow-top {
  background-color: #333;
  border-bottom: 1px solid #333;
  box-sizing: border-box;
  top: 0;
  z-index: 0;
  border-radius: 10px 10px 0 0;
}

.flipTimer .digit > div.digit-top:before,
.flipTimer .digit > div.shadow-top:before {
  content: "";
  box-shadow: inset 0 10px 25px rgba(0, 0, 0, 0.4);
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

.flipTimer .digit > div.shadow-top {
  background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(rgba(0, 0, 0, 0)), to(black));
  width: 100%;
  opacity: 0;
  -webkit-transition: opacity 0.3s ease-in;
}

.flipTimer .digit > div.digit-bottom,
.flipTimer .digit > div.shadow-bottom {
  background-color: #333;
  bottom: 0;
  z-index: 0;
  border-radius: 0 0 10px 10px;
}

.flipTimer .digit > div.digit-bottom .digit-wrap,
.flipTimer .digit > div.shadow-bottom .digit-wrap {
  position: relative;
  display: block;
  top: -100%;
}

.flipTimer .digit > div.digit-bottom:before,
.flipTimer .digit > div.shadow-bottom:before {
  content: '';
  box-shadow: inset 0 10px 25px rgba(0, 0, 0, 0.3);
  border-radius: 0 0 10px 10px;
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

.flipTimer .digit > div.shadow-bottom {
  background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(black), to(rgba(0, 0, 0, 0)));
  width: 100%;
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

.flipTimer .digit.previous .digit-top,
.flipTimer .digit.previous .shadow-top {
  opacity: 1;
  z-index: 2;
  transform-origin: 50% 100%;
  animation: flipTop 0.3s ease-in both;
}

.flipTimer .digit.previous .digit-bottom,
.flipTimer .digit.previous .shadow-bottom {
  z-index: 1;
  opacity: 1;
}

.flipTimer .digit.active .digit-top {
  z-index: 1;
}

.flipTimer .digit.active .digit-bottom {
  z-index: 2;
  transform-origin: 50% 0%;
  animation: flipBottom 0.3s 0.3s ease-out both;
}

@-webkit-keyframes flipTop {
  0% {
    -webkit-transform: perspective(400px) rotateX(0deg);
  }

  100% {
    -webkit-transform: perspective(400px) rotateX(-90deg);
  }
}

@-webkit-keyframes flipBottom {
  0% {
    -webkit-transform: perspective(400px) rotateX(90deg);
  }

  100% {
    -webkit-transform: perspective(400px) rotateX(0deg);
  }
}

@-moz-keyframes flipTop {
  0% {
    -moz-transform: perspective(400px) rotateX(0deg);
  }

  100% {
    -moz-transform: perspective(400px) rotateX(-90deg);
  }
}

@-moz-keyframes flipBottom {
  0% {
    -moz-transform: perspective(400px) rotateX(90deg);
  }

  100% {
    -moz-transform: perspective(400px) rotateX(0deg);
  }
}

@-ms-keyframes flipTop {
  0% {
    -ms-transform: perspective(400px) rotateX(0deg);
  }

  100% {
    -ms-transform: perspective(400px) rotateX(-90deg);
  }
}

@-ms-keyframes flipBottom {
  0% {
    -ms-transform: perspective(400px) rotateX(90deg);
  }

  100% {
    -ms-transform: perspective(400px) rotateX(0deg);
  }
}

@-keyframes flipTop {
  0% {
    transform: perspective(400px) rotateX(0deg);
  }

  100% {
    transform: perspective(400px) rotateX(-90deg);
  }
}

@-keyframes flipBottom {
  0% {
    transform: perspective(400px) rotateX(90deg);
  }

  100% {
    transform: perspective(400px) rotateX(0deg);
  }
}