body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background-color: #FF6D63;
  transition: background 1s linear;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.box {
  transform: translateY(-30px);
  transform-origin: center;
  text-align: center;
}
div#date {
  transform: translateY(100px);
  font-size: 58px;
  color: #fff;
}

div#sentence {
  max-width: 1070px;
  overflow: hidden;
  color: #fff;
  text-align: center;
  font-size: 12px;
  letter-spacing: 2px;
  transform: translateY(100px);
  transform-origin: center;
}

.btn {
  display: inline-block;
  padding: 2px 5px;
  margin: auto;
  cursor: pointer;
  color: #fff;
  /* letter-spacing: 5px; */
  font-size: 12px;
  opacity: 0.75;
  border: 1px solid #fff;
  border-radius: 5px;
  transition: opacity 0.35s linear;
  transition-property: opacity, background;
  transform: translateY(120px);
  transform-origin: center;
}
.btn:hover{
  opacity: 1;
  background: rgba(255, 255, 255, 0.3);
}

.clock {
  display: inline-flex;
  justify-content: center;
  transform: scale(2.5);
}

.clock .divider {
  font-size: 66px;
  line-height: 102px;
  font-style: normal;
}

.clock .flip {
  position: relative;
  width: 60px;
  height: 100px;
  margin: 2px;
  font-size: 66px;
  line-height: 100px;
  text-align: center;
  background: white;
  border: 1px solid black;
  border-radius: 10px;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
}

.clock .flip .digital::before,
.clock .flip .digital::after {
  position: absolute;
  content: attr(data-number);
  left: 0;
  right: 0;
  color: white;
  background: black;
  overflow: hidden;
  -webkit-perspective: 160px;
  perspective: 160px;
}

.clock .flip .digital::before {
  top: 0;
  bottom: 50%;
  border-bottom: 1px solid #666;
  border-radius: 10px 10px 0 0;
}

.clock .flip .digital::after {
  top: 50%;
  bottom: 0;
  line-height: 0;
  border-radius: 0 0 10px 10px;
}

.clock .flip .back::before,
.clock .flip .front::after {
  z-index: 1;
}

.clock .flip .back::after {
  z-index: 2;
}

.clock .flip .front::before {
  z-index: 3;
}

.clock .flip .back::after {
  -webkit-transform-origin: center top;
  transform-origin: center top;
  -webkit-transform: rotateX(0.5turn);
  transform: rotateX(0.5turn);
}

.clock .flip.running .front::before {
  -webkit-transform-origin: center bottom;
  transform-origin: center bottom;
  -webkit-animation: frontFlipDown 0.6s ease-in-out;
  animation: frontFlipDown 0.6s ease-in-out;
  box-shadow: 0 -2px 6px rgba(255, 255, 255, 0.3);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.clock .flip.running .back::after {
  -webkit-animation: backFlipDown 0.6s ease-in-out;
  animation: backFlipDown 0.6s ease-in-out;
}

@-webkit-keyframes frontFlipDown {
  to {
    -webkit-transform: rotateX(0.5turn);
    transform: rotateX(0.5turn);
  }
}

@keyframes frontFlipDown {
  to {
    -webkit-transform: rotateX(0.5turn);
    transform: rotateX(0.5turn);
  }
}

@-webkit-keyframes backFlipDown {
  to {
    -webkit-transform: rotateX(0);
    transform: rotateX(0);
  }
}

@keyframes backFlipDown {
  to {
    -webkit-transform: rotateX(0);
    transform: rotateX(0);
  }
}

#musicPlayere {
  position: absolute;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}