* {
  margin: 0;
  padding: 0;
  user-select: none;
}
body {
  width: 100%;
  max-height: 100vh;
}
body h3 {
  text-align: center;
  margin: 10px;
  font-weight: normal;
}
body p {
  text-indent: 2em;
  margin: 10px;
  font-weight: normal;
}
body img {
  width: 100%;
  height: 100%;
  display: block;
}