index.html

<!DOCTYPE html>

<html>
   <head>
      <meta charset="utf-8">
      <meta http-equiv="X-UA-Compatible" content="IE=edge">
      <title>GitHub page test</title>
      <meta name="description" content="">
      <meta name="viewport" content="width=device-width, initial-scale=1">

      <style>
         body {
            background-color: #111;
            color: hwb(45 87% 0%);
            font-family: monospace;
            font-size: 15px;
            margin: 0;
            display: grid;
            height: 100vh;
            place-items: center;
         }

         main {
            text-align: center;
         }
      </style>

   </head>
   <body>
      <main>
         <h1>A GitHub page test</h1>

         <p>Nothing to see for now.</p>
         <p>Much love, Mali.</p>
      </main>
   </body>
</html>