@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  height: 100vh;
  overflow: hidden;
}

h4 {
  font-size: 1.25rem;
  margin: 0.3rem;
  text-transform: uppercase;
}

.counter {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.counter.hide {
  transform: translate(-50%, -50%) scale(0);
  animation: hide 0.3s ease-out;
}

@keyframes hide {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    transform: translate(-50%, -50%) scale(0);
  }
}

.final {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  text-align: center;
}

.final.show {
  transform: translate(-50%, -50%) scale(1);
  animation: show 0.2s ease-out;
}

@keyframes show {
  0% {
    transform: translate(-50%, -50%) scale(0);
  }

  30% {
    transform: translate(-50%, -50%) scale(1.4);
  }

  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

.replay {
  border: 0;
  border-radius: 4px;
  background-color: #3498db;
  color: #fff;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.replay:focus {
  outline: 0;
}

.replay:active {
  transform: scale(0.98);
}

.replay:hover {
  background-color: #1878b8;
}

.nums {
  color: #3498db;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
  width: 16rem;
  height: 3rem;
}

.nums span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(120deg);
  transform-origin: bottom center;
}

.nums span.in {
  transform: translate(-50%, -50%) rotate(0deg);
  animation: goIn 0.5s ease-in-out;
}

.nums span.out {
  animation: goOut 0.5s ease-in-out;
}

@keyframes goIn {
  0% {
    transform: translate(-50%, -50%) rotate(120deg);
  }

  30% {
    transform: translate(-50%, -50%) rotate(-20deg);
  }

  60% {
    transform: translate(-50%, -50%) rotate(10deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes goOut {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  60% {
    transform: translate(-50%, -50%) rotate(20deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(-120deg);
  }
}

@media (max-width: 500px) {
  html {
    font-size: 14px;
  }
}