JSFiddle - React, Tailwind, and code Playground

HTML

<h1 id="maintitle">Find your new css!</h1>

CSS

html {
    background-color: rgb(171, 248, 235);
    font-family: sans-serif,Tahoma, Verdana, 'Times New Roman';
}

h1#maintitle {
  position: relative;
    margin: 0 0 0 0;
    width: 400px;
    padding: 10px;
    width: 50%;
    top: 50%;
}