<div>
  <h1>HTML</h1>

  <h2><del>hypertext markup language</del></h2>

  <h3>Learn hmtl to </h3>
  <p>
      <b>H</b>ave
  </p>
  <p>
    <b>T</b>he
  </p>
  <p>
    <b>M</b>agnificent
  </p>
    <p>
    <b>L</b>ife
  </p>

    <h3>of a web developer</h3>

    <img src="https://i.imgflip.com/1nty4l.jpg">


  <h6>Source: https://i.imgflip.com/1nty4l.jpg </h6>
  </div>

index.html

body {
  background-color: #000;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3rem;
  text-align: center;
}
p {
  margin: 2rem 3rem;
}
em {
  color: blue;
}
strong {
  color: red;
}

style.css