styles.css

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

*, *:after, *:before {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Chewy', cursive;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 2px;
}

.container {
  background: #3138AE;
}

.wrapper {
  max-width: 800px;
  margin: auto;
}

.screen-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 20px 20px 70px;
  position: relative;
  overflow: hidden;
}

.hidden {
  display: none;
}

.quiz-screen-step {
  color: #6B71E4;
}

.quiz-image-wrapper {
  max-width: 100%;
  margin: 30px auto 20px;
  position: relative;
}

.quiz-image-wrapper:before {
  content: '';
  background: url('./assets/Wapuu-Bg.png') no-repeat center;
  background-size: contain;
  height: 100%;
  left: -65px;
  right: -65px;
  display: block;
  position: absolute;
}

.main-screen-logo {
  display: inline-block;
  margin-bottom: 60px;
  max-width: 100%;
  margin-top: -48px;
  position: relative;
  z-index: 1;
}

.quiz-image {
  max-width: 100%;
  width: 250px;
  position: relative;
  z-index: 1;
}

.quiz-timer {
  width: 550px;
  max-width: 100%;
  height: 20px;
  background: #000501;
  border-radius: 3em;
  margin-bottom: 20px;
  padding: 5px 6px;
}

.quiz-timer span {
  display: inline-block;
  background: linear-gradient(90deg, #FFD500, #FF5700);
  height: 10px;
  vertical-align: top;
  border-radius: 3em;

  animation: progressbar-countdown;
  animation-duration: 10s;
  animation-iteration-count: 1;
  animation-fill-mode: forwards;
  animation-play-state: paused;
  animation-timing-function: linear;
}

@keyframes progressbar-countdown {
  0% {
    width: 100%;
  }
  100% {
    width: 0%;
  }
}

.quiz-question {
  margin-bottom: 30px;
}

.how-to-play-screen {
  padding-top: 60px;
}

.how-to-play-screen .default-button {
  margin-bottom: 60px;
  margin-top: 30px;
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 50px;
  width: 600px;
  max-width: 100%;
}

.button-outer {
  flex-basis: 100%;
  text-align: center;
  margin-bottom: 20px;
  max-width: 100%;
}

.default-button {
  background: #FFD500;
  border-radius: 3em;
  font-family: 'Chewy', cursive;
  font-size: 18px;
  color: #010501;
  letter-spacing: 2.45px;
  border: 4px solid #010501;
  padding: 10px 8px;
  text-transform: uppercase;
  transition: background .2s;
  outline: none;
  width: 250px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.default-button:hover {
  background: #FF8800;
}

.default-button[disabled] {
  border-color: #5057D4;
  background: transparent;
  color: #5057D4;
  cursor: default;
}

.default-button[disabled]:hover {
  background: transparent;
}

.default-button.correct {
  cursor: default;
  background: #ACBD00;
  color: #010501;
  border-color: #010501;
}

.default-button.correct::before {
  content: '';
  height: 18px;
  width: 18px;
  display: inline-block;
  background: url('./assets/check-mark.png') center no-repeat;
  background-size: contain;
  vertical-align: middle;
  margin-right: 5px;
  margin-top: -2px;
}

.default-button.correct:hover {
  background: #ACBD00;
  color: #010501;
  border-color: #010501;
}

.default-button.wrong {
  cursor: default;
  background: #F6484C;
  color: #010501;
  border-color: #010501;
}

.default-button.wrong::before {
  content: '';
  height: 18px;
  width: 18px;
  display: inline-block;
  background: url('./assets/cross.png') center no-repeat;
  background-size: contain;
  vertical-align: middle;
  margin-right: 5px;
  margin-top: -2px;
}

.default-button.wrong:hover {
  background: #F6484C;
  color: #010501;
  border-color: #010501;
}
.result-screen .default-button {
  margin-bottom: 30px;
}

.title {
  font-size: 32px;
  margin-top: 100px;
}
.text {
  line-height: 24px;
  font-size: 16px;
  font-family: 'Roboto', sans-serif;
  text-align: center;
  color: #B8BBF5;
  text-transform: none;
}

.quiz-logo {
  position: absolute;
  bottom: 20px;
}

.quiz-corner-logo {
  position: absolute;
  left: 10px;
  top: 15px;
  width: 100px;
}
.close-button {
  position: absolute;
  top: 50px;
  right: 10px;
  background: transparent;
  border: none;
  color: #fff;
  font-family: 'Chewy', cursive;
  font-size: 34px;
  outline: none;
  text-transform: none;
  cursor: pointer;
  transition: color .2s;
}

.close-button:hover {
  color: #eee;
}
.score-name {
  margin: 0 0 28px;
  font-size: 46px;
}
.score {
  font-size: 18px;
  margin-bottom: 10px;
}
.score-description {
  text-align: center;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  color: #B8BBF5;
  text-transform: none;
  line-height: 24px;
  display: inline-block;
  margin-bottom: 30px;
}

.share-container {
  margin-bottom: 40px;
  display: flex;
  justify-content: space-between;
  width: 100%;
  flex-direction: column;
  align-items: center;
}

.facebook-share-logo,
.ffacebook-share-text {
  display: inline-block;
}

.facebook-share-logo {
  display: inline-block;
  width: 16px;
  vertical-align: middle;
}

a.facebook-share-button {
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  box-shadow: none;
  background: #4267b2;
  color: #fff;
  padding: 12px 8px;
  line-height: 13px;
  letter-spacing: 1.1px;
  text-transform: none;
  text-decoration: none;
  text-align: center;
  width: 200px;
  max-width: 100%;
  vertical-align: top;
  border-radius: 3em;
  transition: background .2s;
  margin-bottom: 20px;
}

a.facebook-share-button:hover {
  background: #335DB2;
}

.facebook-share-text {
  font-family: 'Chewy', cursive;
  font-size: 18px;
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

.share-button-icon {
  vertical-align: middle;
  margin-right: 12px;
}

.twitter-tweet-button {
  vertical-align: top;
  display: inline-block;
  background: #3291DA;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 13px;
  padding: 14px 8px;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 1.1px;
  text-transform: none;
  text-decoration: none;
  color: #fff;
  text-align: center;
  width: 200px;
  max-width: 100%;
  border-radius: 3em;
  transition: background .2s;
  margin-bottom: 20px;
}

.twitter-tweet-button:hover {
  background: #1884DA;
}

.share-container .default-button {
  width: 200px;
  vertical-align: top;
  margin-bottom: 20px;
}

.twitter-tweet-text {
  display: inline-block;
  font-family: 'Chewy', cursive;
  font-size: 18px;
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

.best-score {
  text-align: right;
  padding: 20px;
  display: none;
}

@media screen and (min-width: 700px) {
  .screen-section {
    padding: 20px 50px 70px;
  }
  .button-outer {
    flex-basis: 50%;
  }

  .share-container {
    align-items: flex-start;
    flex-direction: row;
  }
}