html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
}
canvas {
    display: block;
}


#gate {
  z-index: 9999;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;

  padding: 20px;
  
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f4f4f4;

  p{
    display: block;
    max-width: 800px;
    text-align: center;
  }
}
button {
  margin-top: 130px;
  appearance: none;
  -webkit-appearance: none;
  border: none;
  background-color: transparent;
  padding: 12px 24px;
  cursor: pointer;
}

button:hover{
  border: 1px grey solid;
  padding: 11px 23px;
}