body {
  font-family: "Courier", monospace;
}

.hud-text {
  position: fixed;
  z-index: 300;
  font-size: 24px;
}

.textOutput {
  left: 15px;
  top: 15px;
}

.scoreOutput {
  right: 15px;
  top: 15px;
}

.score-animation {
  animation: score-animation 1s;
}

@keyframes score-animation {
  0% {
    font-size: 52px;
  }
  100% {
    font-size: 24px;
  }
}

.startScreen {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: rgba(200, 200, 200, 0.8);
  color: black;
  text-align: center;
  z-index: 1000;
}

.hidden {
  display: none;
}

.startScreen-container .load {
  opacity: 1;
}

.startScreen-container {
  margin: 0 auto;
  width: 450px;
  margin-top: 100px;
}

.startScreen__instructions {
  font-size: 15px;
  margin-top: 200px;
  transition: all 4s ease-in 2s;
  opacity: 0;
}

.startScreen__button {
  width: 120px;
  height: 50px;
  font-size: 28px;
  margin-top: 70px;
  cursor: pointer;
  font-family: "Courier", monospace;
  transition: all 1s ease-in;
  opacity: 0;
  animation: 1.5s linear 0s infinite alternate pulse;
}

@keyframes pulse {
  from {
    box-shadow: 0px 0px 20px #00ff13;
  }
  to {
    box-shadow: 0px 0px 0px #40aa47;
  }
}

.startScreen__text {
  font-size: 62px;
  overflow: hidden;
  border-right: .15em solid transparent;
  white-space: nowrap;
  margin: 0 auto;
  letter-spacing: .1em;
  animation: typing 3.5s steps(40, end), blink-caret .75s step-end 4;
}

/* The typing effect */
@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* The typewriter cursor effect */
@keyframes blink-caret {
  from,
  to {
    border-color: #00ff13;
  }
  50% {
    border-color: transparent;
  }
}