body {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 100vw;
  height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  align-items: center;
  overflow: hidden;
  justify-content: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
}

p {
  display: none;
}