@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

* {
  box-sizing: border-box;
}

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

h4 {
  font-size: 20px;
  margin: 5px;
  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 0.2s 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);
  }
}

.nums {
  color: #3498db;
  font-size: 50px;
  position: relative;
  overflow: hidden;
  width: 250px;
  height: 50px;
}

.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);
  }
}

#start {
  background-color: #3498db;
  border-radius: 3px;
  border: none;
  color: aliceblue;
  padding: 5px;
  text-align: center;
  display: inline-block;
  cursor: pointer;
  transition: all 0.3s;
}

#start span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.3s;
}

#start span:after {
  content: "\00bb";
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

#start:hover span {
  padding-right: 25px;
}

#start:hover span:after {
  opacity: 1;
  right: 0;
}

.quiz-container {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px 2px rgba(100, 100, 100, 0.1);
  width: 600px;
  overflow: hidden;
  visibility: hidden;
  margin: 1rem auto;
}

.quiz-header {
  padding: 4rem;
}

h2 {
  padding: 1rem;
  text-align: center;
  margin: 0;
}

ul {
  list-style-type: none;
  padding: 0;
}

ul li {
  font-size: 1.2rem;
  margin: 1rem 0;
}

ul li label {
  cursor: pointer;
}

button {
  background-color: #8e44ad;
  color: #fff;
  border: none;
  display: block;
  width: 100%;
  cursor: pointer;
  font-size: 1.1rem;
  font-family: inherit;
  padding: 1.3rem;
}

button:hover {
  background-color: #732d91;
}

button:focus {
  outline: none;
  background-color: #5e3370;
}