.keypad{
  background-color: #ccc;
  margin: 5em auto;
  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), inset 0 0 3px rgba(255, 255, 255, 0.25), 0 3px 9px rgba(0, 0, 0, 0.5);
  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), inset 0 0 3px rgba(255, 255, 255, 0.25), 0 3px 9px rgba(0, 0, 0, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), inset 0 0 3px rgba(255, 255, 255, 0.25), 0 3px 9px rgba(0, 0, 0, 0.5);
  font-size:30px;
}

.keypad.dark{
  background-color: #333;
}

.keypad {
  height: 520px;
  overflow: hidden;
  position: relative;
  width: 510px;
}



.keypad .keypad-input-field {
  height: 80px;
  margin: auto;
  position: relative;
  transition: all 0.25s;
  transition-delay: 0.1s;
  width: 90%;
}
.keypad .keypad-input-field:after {
  background-color: rgba(0, 0, 0, 0.2);
  bottom: 0px;
  content: '';
  height: 1px;
  left: 0px;
  position: absolute;
  width: 100%;
}
.keypad.dark .keypad-input-field:after{
  background-color: rgba(255, 255, 255, 0.2);
}
.keypad .entered-numbers-wrapper {
  height: 60px;
  left: 0px;
  overflow: hidden;
  position: absolute;
  top: 10px;
  width: 100%;
}
.keypad .entered-numbers {
  height: 60px;
  left: 50%;
  overflow: hidden;
  position: absolute;
  text-align: center;
  transform: translateX(-50%);
  white-space: nowrap;
}
.keypad .num {
  color: black;
  animation: fade-in-num 0.1s linear;
  backface-visibility: hidden;
  display: inline-block;
  font-weight: 300;
  height: 60px;
  line-height: 60px;
  overflow: hidden;
  position: relative;
  text-align: center;
  transition: all 0.25s;
  width: 24px;
}
.keypad.dark .num{
  color: white;
}
.keypad .num.hidden {
  font-size: 0;
}
.keypad .num.hidden:after {
  opacity: 1;
  transform: translateX(-50%) translateY(-50%) scale(1);
}
.keypad .num.erased:after {
  opacity: 1;
  transform: translateX(-50%) translateY(-50%) scale(0.25);
}
.keypad .num:after {
  background-color: black;
  border-radius: 16px;
  content: '';
  height: 16px;
  left: 50%;
  opacity: 0;
  position: absolute;
  top: 50%;
  transform: translateX(-50%) translateY(-50%) scale(0.25);
  transition: all 0.25s;
  width: 16px;
}
.keypad.dark .num:after{
  background-color: white;
}
.keypad .backspace {
  cursor: pointer;
  height: 80px;
  line-height: 80px;
  position: absolute;
  right: 0px;
  top: 0px;
  width: 60px;
}
.keypad .backspace .backspace-icon {
  background-color: black;
  color: white;
  border-bottom-right-radius: 4px;
  border-top-right-radius: 4px;
  display: inline-block;
  height: 28px;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  user-select: none;
  width: 28px;
}
.keypad.dark .backspace .backspace-icon{
  background-color: white;
  color: black;
}
.keypad .backspace .backspace-icon:after {
  border: 0px solid transparent;
  border-bottom-width: 14px;
  border-right: 12px solid black;
  border-top-width: 14px;
  content: '';
  height: 0px;
  left: -12px;
  position: absolute;
  width: 0px;
}
.keypad.dark .backspace .backspace-icon:after{
  border-right: 12px solid white;
}
.keypad .backspace .backspace-icon i {
  font-size: 0.75em;
  height: 28px;
  line-height: 28px;
  position: absolute;
  right: 0px;
  text-align: center;
  top: 0px;
  width: 28px;
}
.keypad .keypad-numbers {
  display: flex;
  flex-wrap: wrap;
  margin: auto;
  margin-top: 20px;
  position: relative;
  width: 90%;
}
.keypad .item-wrapper {
  cursor: pointer;
  display: inline-block;
  transition: all 0.25s;
  position: relative;
  vertical-align: top;
  transition: all 0.25s;
  width: 33.3%;
}
.keypad .item-wrapper.zero {
  margin-left: 152px;
}
.keypad .item-wrapper .item {
  height: 80px;
  margin-top: 20px;
  text-align: center;
}
.keypad .item-wrapper .item i {
  color: black;
}
.keypad.dark .item-wrapper .item i {
  color: white;
}
.keypad .item-wrapper .item h1, .keypad .item-wrapper .item h2 {
  margin: 0px;
  text-align: center;
}
.keypad .item-wrapper .item h1 {
  color: black;
  font-size: 1.2em;
  font-weight: 300;
  height: 40px;
  line-height: 40px;
}
.keypad.dark .item-wrapper .item h1{
  color: white;
}
.keypad .item-wrapper .item h2 {
  color: rgba(0, 0, 0, 0.8);
  font-size: 0.6em;
  font-weight: 300;
  height: 20px;
  line-height: 20px;
}
.keypad.dark .item-wrapper .item h2{
  color: rgba(255, 255, 255, 0.8);
}
.keypad .hover-dot:hover:before {
  opacity: 0.1;
  transform: translateX(-50%) translateY(-50%) scale(1);
}
.keypad .hover-dot:active:before {
  opacity: 0.2;
  transform: translateX(-50%) translateY(-50%) scale(1.2);
}
.keypad .hover-dot:before {
  background-color: black;
  border-radius: 60px;
  content: '';
  height: 120px;
  left: 50%;
  opacity: 0;
  position: absolute;
  top: 50%;
  transform: translateX(-50%) translateY(-50%) scale(0.3);
  transition: all 0.25s;
  width: 120px;
}
.keypad.dark .hover-dot:before {
  background-color: white;
}
@keyframes fade-in-num {
  0% {
    opacity: 0;
    transform: translateY(50%) scale(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0%) scale(1);
  }
}