body {
  background: black;
  color: red;
  font-family: "Hiragino Mincho ProN", serif;
  text-align: center;
}

h1 {
  margin-top: 80px;

  font-size: 40px;
  text-shadow: 0 0 20px red;
}

p {
  margin: 40px;
  padding: 25px;
  overflow-y: scroll;
  height: 250px;
  border: 2px dashed red;
}

button {
  background: black;
  border: 2px solid red;
  color: red;
  padding: 15px 30px;
  margin: 15px;
  font-size: 18px;
  cursor: pointer;
}

button:hover {
  background: red;
  color: black;
}

.choices button {
  display: block;
  width: 300px;
  margin: 10px auto;
}

.timer {
  font-size: 24px;
  margin: 20px;
}

.questionNumber {
  font-size: 24px;
  margin-top: 20px;
}

.song {
  font-size: 20px;
  color: #ff4444;
  margin: 10px;
}

#lyric {
  margin: 30px;
  font-size: 26px;
  color: red;
  transition: 1s;
}

.hintContainer {
  width: 300px;
  height: 12px;

  border: 1px solid red;

  margin: 10px auto;

  background: black;
}

#hintBar {
  width: 0%;
  height: 100%;

  background: red;

  transition: width 7.5s linear;
}

.correctPop {
  animation: correctPop 0.2s;
}

@keyframes correctPop {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulseBeat 0.6s ease-in-out 2;
}

@keyframes pulseBeat {
  0% {
    transform: scale(1);
  }

  25% {
    transform: scale(1.03);
  }

  50% {
    transform: scale(1);
  }

  75% {
    transform: scale(1.03);
  }

  100% {
    transform: scale(1);
  }
}

#countdown {
  position: fixed;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  font-size: 120px;

  color: red;

  font-weight: bold;

  text-shadow: 0 0 20px red;

  z-index: 999;
}

.hidden {
  display: none;
}

.flashDark {
  animation: flashDark 0.3s;
}

@keyframes flashDark {
  0% {
    background: #000;
  }
  100% {
    background: #111;
  }
}

.shake {
  animation: shake 0.35s;
}

@keyframes shake {
  0% {
    transform: translate(0);
  }
  20% {
    transform: translate(-5px);
  }
  40% {
    transform: translate(5px);
  }
  60% {
    transform: translate(-3px);
  }
  80% {
    transform: translate(3px);
  }
  100% {
    transform: translate(0);
  }
}

.correctFlash {
  animation: correctFlash 0.25s;
}

@keyframes correctFlash {
  0% {
    background: #220000;
  }

  50% {
    background: #550000;
  }

  100% {
    background: #000000;
  }
}

.correctPop {
  animation: correctPop 0.2s;
}

@keyframes correctPop {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
  }
}