html, body {
   height: 100%;
   margin:0;
}

body {
   display: grid;
   place-items: center;

   background-color:black;
   font-family: "Space Mono", monospace;
   font-weight: 400;
   font-style: normal;
   color: rgb(240, 245, 245);
}

h1 {
   margin:0; 
}