JSFiddle - React, Tailwind, and code Playground

HTML

<section id="about"></section>
<section id="services"></section>
<section id="gallery"></section>

CSS

#about{
 	width: 100%;
	min-height: 100vh;
  background-color: red;
}
#services{
 	width: 100%;
	min-height: 100vh;
  background-color: yellow;
}
#gallery{
 	width: 100%;
	min-height: 100vh;
  background-color: green;
}