virtual_synth.css

html, 
body {
  background: #111;
  overflow: hidden;
}

#about-page {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  background-color: #111;
  transition: 2s;
} 

.about-page {
  z-index: 15;
}

.header-container {
  display: flex;
  height: 0;
  width: 100%;
  justify-content: center;
  opacity: 0;
}

h1 {
  position: absolute;
  height: 0;
  margin: 0;
  color: rgb(138, 138, 138);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 40px;
  top: 20px;
}

h2 {
  color: rgb(218, 218, 218);
  margin: 40px 0 20px 0;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 32px;
}

p {
  color: rgb(218, 218, 218);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 20px;
  text-align: center;
  line-height: 1.5;
  margin: 0 40px 0 40px;
  max-width: 75vw;
}

.direction-container {
  height: 30vh;
  display: flex;
  align-items: flex-end;
}

.direction {
  font-size: 14px;
  color: rgb(106, 209, 223);
}

li {
  color: rgb(218, 218, 218);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 20px;
  line-height: 1.5;
  margin: 0 40px 0 40px;
}

canvas {
  position: absolute;
  margin: 0 auto;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  z-index: 3;
}

.sphere-container {
  position: relative;
  overflow: hidden;
  display: flex;
  width: 100vw;
  height: 100vh;
  align-items: center;
  justify-content: center;
}

#sphere-background {
  border-radius: 100%;
  height: 40vh;
  width: 40vh;
  z-index: 6;
  background-color: rgba(171, 171, 248, 0);
}

@-webkit-keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInAndOut {
  0% { opacity: 0; }
  50% { opacity: 0.95; }
  100% { opacity: 0; }
}

.fadeIn {
  -webkit-animation-name: fadeIn;
  animation-name: fadeIn;
  animation-duration: 3s;
}

.fadeInAndOut {
  animation-name: fadeInAndOut;
  animation-duration: 3s;
  animation-iteration-count: infinite;
}

.fade-out {
  transition: 1s;
  z-index: 0;
  opacity: 0;
}