body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;

  font-family: "Orbitron", sans-serif;
  overflow: hidden;
  background: black;
  touch-action: pan-x pan-y;
}

#welcomeScreen {
  height: 100%;
  width: 100%;

  opacity: 0;
  transition: opacity 0.3s linear;
}

header {
  position: fixed;
  top: 0;
  left: 0;

  width: 100vw;
  height: 50vh;
  text-align: center;
  margin-top: 2rem;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: inherit;
  font-size: inherit;
  font-family: inherit;
  color: #5432fe;
}

a:hover {
  text-decoration: none;
  color: inherit;
}

h1 {
  width: 100%;

  font-size: 3rem;
  font-weight: bold;
  color: white;
  margin: 0 0 0.3rem 0;
}

h2 {
  margin: 0;
  width: 100%;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  letter-spacing: 2px;
}

#topTextBox {
  margin: 1rem 0.5rem 0 0.5rem;
  text-align: center;
  transition: opacity 0.3s linear;
  color: white;
  font-size: 1rem;
}

.btnContainer {
  position: fixed;
  text-align: center;
  width: 100%;
  top: 40%;
  transform: translateY(-60%);
}

#startBtn {
  cursor: pointer;
  text-align: center;
  font-family: inherit;
  font-size: 2.5rem;

  background: transparent;
  text-shadow: 0 0 10px white;
  animation: 3s infinite linear alternate-reverse glow;

  color: white;
  font-weight: bold;
  letter-spacing: 2px;
  border-bottom: 4px solid white;
  border-top: none;
  border-left: none;
  border-right: none;
  outline: none;
  padding-bottom: 1px;
  margin: 0;
}

@keyframes glow {
  from {
    text-shadow: 0 0 5px white;
  }
  to {
    text-shadow: 0 0 20px white, 0 0 20px white;
  }
}

#canvas {
  background-color: black;
  height: 100%;
  width: 100%;
}

#centeredTextBox {
  width: 100%;
  position: fixed;
  top: 40%;
  transform: translateY(-60%);
  z-index: 10;

  color: white;
  font-size: 3.5rem;
  text-align: center;
  text-shadow: 1px 1px 15px black;
}

.colorBlockContainer {
  height: 1rem;
  width: 100%;
  display: flex;
  text-align: center;
}

.colorBlock {
  width: auto;
  flex: 1;
  height: 100%;
}