html {
  position: fixed;
  font-size: 10px;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  height: 100%;
}
p {
  padding: 0;
  margin: 0;
}

@media screen and (max-width: 350px) {
  html {
    font-size: 8px;
  }
}