canvas {
  display: block;
  width: 100%;
  height: 100vh;
  background-color: white;
}

h1 {
  position: absolute;
}

#c {
  width: 100vw;
  height: 100vh;
  display: block;
  background-size: cover;
}

html,
body {
  overflow: hidden;
  display: block;

  margin: 0;
  width: 100%;
  height: 100%;
}

#loading-screen {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000000;
  opacity: 1;
  transition: 1.3s opacity;
}

#loading-screen.fade-out {
  opacity: 0;
}

#loader {
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #70db70;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

#loader:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #55d374;
  -webkit-animation: spin 3s linear infinite;
  animation: spin 3s linear infinite;
}

#loader:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #c7fcc3;
  -webkit-animation: spin 1.5s linear infinite;
  animation: spin 1.5s linear infinite;
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  100% {
    -webkit-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}