body {
  margin: 0px;
  padding: 0px;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: black;
}
body.not-compatible {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: black;
  align-items: center;
  color: #fff;
  font-family: sans-serif;
  font-size: 2rem;
}
#error-message {
  text-align: center;
  display: none;
}
.not-compatible #error-message {
  display: initial;
}
#the-place {
  padding: 0px;
  margin: auto;
  display: block;
  position: absolute;
  top: 0px;
  bottom: 0px;
  left: 0px;
  right: 0px;
  width: 100vw;
  height: 100vh;
  cursor: vertical-text;
}
#intro {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0px;
  left: 0px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-family: sans-serif;
}
#intro p {
  border-radius: 50%;
  height: 1px;
  width: 1px;
  border: 1px double #fff;
  animation: waves 1s ease-out infinite;
}
#intro.show {
  background-color: rgba(0, 0, 0, 1);
  display: flex;
}
#intro.hide {
  animation: disappear 3s ease-out;
  animation-fill-mode: forwards;
  overflow: hidden;
}
#intro.hide p {
  display: none;
}
@keyframes disappear {
  0% {
    background-color: rgba(0, 0, 0, 1);
  }
  99% {
    width: 100vw;
    height: 100vh;
  }
  100% {
    width: 0px;
    height: 0px;
    background-color: rgba(0, 0, 0, 0);
  }
}
@keyframes waves {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(16.18);
    opacity: 0;
  }
}
#start-button {
  padding: 20px;
  border: 1px solid #fff;
  border-radius: 6px;
  width: 120px;
  height: 120px;
  overflow: hidden;
  transform: none;
  transition: all linear 0.3s;
  cursor: pointer;
  word-break: break-all;
  user-select: none;
  font-family: monospace;
  /* box-shadow: 0px 0px 6px 3px #fff; */
  /* box-shadow: inset 0px 0px 6px 3px #fff; */
}
#start-button.hide {
  width: 0px;
  height: 0px;
  overflow: hidden;
  transform: scale(0.0001);
}
#start-button:hover {
  color: #000;
  background-color: #fff;
  box-shadow: inset 0px 0px 3px 3px #555;
  border-width: 0.01px;
}
.hide #start-button {
  display: none;
}