<div class="content">
  <div class="content__container">
    <h1>Heading 1</h1>
    <h2>Heading 2</h2>
    <h3>Heading 3</h3>
    <h4>Heading 4</h4>
    <p>Paragraph: Lorem ipsum dolet ...</p>
  </div>
</div>

.content__container {
  padding: 1em;
}