body {
  overflow: hidden;
}

@keyframes example {
  0% {
    color: white;
  }
  25% {
    color: #d3d3d3;
  }
  50% {
    color: grey;
  }
  75% {
    color: grey;
  }
  100% {
    color: #d3d3d3;
  }
}
h1 {
  color: #6a6a6a;
  font-size: 75px;
}
h2 {
  color: #6a6a6a;
  font-size: 90px;
}
p1 {
  color: #6a6a6a;
  font-size: 35px;
}
canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
p {
  text-align: right;
  color: white;
  margin-right: 50px;
  font-size: 30px;
}
p2 {
  text-align: right;
  color: #6a6a6a;
  margin-right: 50px;
  font-size: 20px;
}
.coin {
  color: gold;
}
#start {
  animation-name: example;
  animation-duration: 1s;
  animation-iteration-count: infinite;
}