JSFiddle - React, Tailwind, and code Playground

HTML

<header>
  <h1><a href="#">iShadeed.com</a></h1>
</header>
<section>
  <h2>Section #1 Title</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nisi voluptates quisquam, similique autem facilis repudiandae rem sunt ex aliquid fugiat quod quam, numquam perspiciatis quas minima, accusantium aspernatur beatae eum.</p>
  <p>s repudiandae rem sunt ex aliquid fugiat quod quam, numquam perspiciatis quas minima, accusantium aspernatur beatae eum.</p>
</section>
<section>
  <h2>Section #2 Title</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Nisi voluptates quisquam, similique autem facilis repudiandae rem sunt ex aliquid fugiat quod quam, numquam perspiciatis quas minima, accusantium aspernatur beatae eum.</p>
  <p>s repudiandae rem sunt ex aliquid fugiat quod quam, numquam perspiciatis quas minima, accusantium aspernatur beatae eum.</p>
</section>

CSS

HTML  CSS  Result
EDIT ON
 body {
  font-family: 'Arial';
}

h2 {
  font-size: 2em;
  font-weight: bolder;
  margin-bottom: 0.5em;
}

p {
  font-size: 1.25em;
  line-height: 1.45;
}

section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 2em 1.5em;
  margin-top: 60px;
}

section:nth-child(odd) {
  background: whitesmoke;
}

header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  height: 60px;
  background: #4ea7ea;
  text-align: center;
}

header a {
  color: #fff;
  font-size: 20px;
  font-weight: bolder;
  text-decoration: none;
}

@media (min-height: 400px) {
  header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
  }
}