body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
h1 {
  margin: 3em auto 0;
  text-align: center;
  counter-reset: section;
}
h2 {
  display: block;
  margin-block-end: 0em;
  font-weight: 400;
  unicode-bidi: isolate;
}
h2:before {
  content: counter(section, upper-roman) ". ";
  counter-increment: section;
}
p {
  line-height: 1.6;
}

@media only screen and (max-width: 600px) {
    h1 {
        font-size: 1.5em;
    }
    h2 {
        font-size: 1.2em;
    }
    p {
        font-size: 0.9em;
    }
}
footer {
  text-align: center;
  margin: 1em auto;
}