.content {
  position: absolute;
  left: 47px;
  top: 2px;
  width: 100%;
  /* height: 100%;
  background-color: #8888; */
}
.counter {
    position: absolute;
    display: flex;
    width: 100%;
    height: 100%;
    /* justify-content: center;
    align-items: center; */
}

@keyframes animate-top {
  0% {
   background: #3e3e3e; /* Old browsers */
background: -moz-linear-gradient(top,  #3e3e3e 0%, #2b2b2b 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3e3e3e), color-stop(100%,#2b2b2b)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* IE10+ */
background: whi; /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3e3e3e', endColorstr='#2b2b2b',GradientType=0 );
  }
  
  100% {
    color: #474747;
    
    transform: 
      translateX(0px) 
      translateY(0.35em) 
      translateZ(5px) 
      rotateX(-90deg)
      rotateY(0deg)
      rotateZ(0deg);
  }
}

@keyframes animate-bottom {
  0% {
    color: #474747;
    opacity: 1;
  }
  
  100% {
    transform: 
      translateX(0) 
      translateY(0) 
      translateZ(0) 
      rotateX(0deg) 
      rotateY(0deg)
      rotateZ(0deg);
    
    opacity: 1;
  }
}

@-webkit-keyframes animate-top {
  0% {
   background: #3e3e3e; /* Old browsers */
background: -moz-linear-gradient(top,  #3e3e3e 0%, #2b2b2b 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3e3e3e), color-stop(100%,#2b2b2b)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* IE10+ */
background: transparent; /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3e3e3e', endColorstr='#2b2b2b',GradientType=0 );
  }
  
  100% {
    color: #474747;
    
    -webkit-transform: 
      translateX(0px) 
      translateY(0.35em) 
      translateZ(5px) 
      rotateX(-90deg)
      rotateY(0deg)
      rotateZ(0deg);
  }
}

@-webkit-keyframes animate-bottom {
  0% {
    color: #474747;
    opacity: 1;
  }
  
  100% {
    -webkit-transform: 
      translateX(0) 
      translateY(0) 
      translateZ(0) 
      rotateX(0deg) 
      rotateY(0deg)
      rotateZ(0deg);
    
    opacity: 1;
  }
}

.counter .number {
  position: relative;
  /* float: left; */
  margin-right: 8px;
  font-size: 16px;
  width: 24px;
  height: 24px;
  overflow: hidden;
  border-radius: 4px;
}

.counter .number span {
  position: absolute;
  display: block;
  font-weight: 600;
  text-align: center;
  
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  
  color: #fff;
  
  width: 100%;
  height: 100%;
  perspective: 7.14em;
  
}

.counter .number span:before {
  display: block;
  height: 0.75em;
  overflow: hidden;
  
  line-height: 1.52em;
  /* border: 1px solid black;  */
  border-bottom: none;
  border-radius: 0;
  
  background: #3e3e3e; /* Old browsers */
background: -moz-linear-gradient(top,  #3e3e3e 0%, #2b2b2b 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#3e3e3e), color-stop(100%,#2b2b2b)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top,  #3e3e3e 0%,#2b2b2b 100%); /* IE10+ */
/* background: white; W3C */
background: #25243B;
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3e3e3e', endColorstr='#2b2b2b',GradientType=0 ); /* IE6-9 */
}

.counter .number span:after {
  display: block;
  height: 0.75em;
  overflow: hidden;
  line-height: 0;
  
  /* border: 1px solid black; */
  
  border-radius: 0;
  
  transition: color 100ms, background-color 100ms;
  
  background: #252525; /* Old browsers */
background: -moz-linear-gradient(top,  #252525 0%, #070707 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#252525), color-stop(100%,#070707)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top,  #252525 0%,#070707 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top,  #252525 0%,#070707 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top,  #252525 0%,#070707 100%); /* IE10+ */
/* background: white; W3C */
background: #25243B;
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#252525', endColorstr='#070707',GradientType=0 ); /* IE6-9 */
}


.flip .primary:before {
  animation: animate-top 250ms;
  -moz-animation-fill-mode: forwards;
  
  -webkit-animation: animate-top 250ms;
  -webkit-animation-fill-mode: forwards;
  
  
  background: #000000; /* Old browsers */
background: -moz-linear-gradient(top,  #000000 0%, #303030 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#000000), color-stop(100%,#303030)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top,  #000000 0%,#303030 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top,  #000000 0%,#303030 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top,  #000000 0%,#303030 100%); /* IE10+ */
background: linear-gradient(to bottom,  #000000 0%,#303030 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#303030',GradientType=0 ); /* IE6-9 */

}

.flip .primary:after {
  animation: animate-bottom 250ms;
  -moz-animation-fill-mode: forwards;
  animation-delay: 250ms;
  
  -webkit-animation: animate-bottom 250ms;
  -webkit-animation-fill-mode: forwards;
  -webkit-animation-delay: 250ms;
}

.primary:after {
  opacity: 0;
  
  transform: 
    translateX(0) 
    translateY(-0.28em) 
    translateZ(0.35em) 
    rotateX(91deg) 
    rotateY(0deg) 
    rotateZ(0deg);
  
  -webkit-transform: 
    translateX(0) 
    translateY(-0.28em) 
    translateZ(0.35em) 
    rotateX(91deg) 
    rotateY(0deg) 
    rotateZ(0deg);
}

.primary {
  z-index: 2;
}

.secondary {
  z-index: 1;
}

/* Number 0 */

[data-number="0"] span.primary:before {
  content: "0";
}

[data-number="0"] span.secondary:after {
  content: "0";
}

[data-number="0"] span.secondary:before {
  content: "1";
}

[data-number="0"] span.primary:after {
  content: "1";
}

/* Number 9 */

[data-number="9"] span.primary:before {
  content: "9";
}

[data-number="9"] span.secondary:after {
  content: "9";
}

[data-number="9"] span.secondary:before {
  content: "0";
}

[data-number="9"] span.primary:after {
  content: "0";
}

/* Number 8 */

[data-number="8"] span.primary:before {
  content: "8";
}

[data-number="8"] span.secondary:after {
  content: "8";
}

[data-number="8"] span.secondary:before {
  content: "9";
}

[data-number="8"] span.primary:after {
  content: "9";
}

/* Number 7 */

[data-number="7"] span.primary:before {
  content: "7";
}

[data-number="7"] span.secondary:after {
  content: "7";
}

[data-number="7"] span.secondary:before {
  content: "8";
}

[data-number="7"] span.primary:after {
  content: "8";
}

/* Number 6 */

[data-number="6"] span.primary:before {
  content: "6";
}

[data-number="6"] span.secondary:after {
  content: "6";
}

[data-number="6"] span.secondary:before {
  content: "7";
}

[data-number="6"] span.primary:after {
  content: "7";
}

/* Number 5 */

[data-number="5"] span.primary:before {
  content: "5";
}

[data-number="5"] span.secondary:after {
  content: "5";
}

[data-number="5"] span.secondary:before {
  content: "6";
}

[data-number="5"] span.primary:after {
  content: "6";
}

/* Number 4 */

[data-number="4"] span.primary:before {
  content: "4";
}

[data-number="4"] span.secondary:after {
  content: "4";
}

[data-number="4"] span.secondary:before {
  content: "5";
}

[data-number="4"] span.primary:after {
  content: "5";
}

/* Number 3 */

[data-number="3"] span.primary:before {
  content: "3";
}

[data-number="3"] span.secondary:after {
  content: "3";
}

[data-number="3"] span.secondary:before {
  content: "4";
}

[data-number="3"] span.primary:after {
  content: "4";
}

/* Number 2 */

[data-number="2"] span.primary:before {
  content: "2";
}

[data-number="2"] span.secondary:after {
  content: "2";
}

[data-number="2"] span.secondary:before {
  content: "3";
}

[data-number="2"] span.primary:after {
  content: "3";
}

/* Number 1 */

[data-number="1"] span.primary:before {
  content: "1";
}

[data-number="1"] span.secondary:after {
  content: "1";
}

[data-number="1"] span.secondary:before {
  content: "2";
}

[data-number="1"] span.primary:after {
  content: "2";
}