body { margin: 0;
padding: 0;
background-color: #0D0D09;
background-repeat: no-repeat;
height: 100vh;
width: 100%;
text-align: center;
display: flex;
justify-content: center;
align-items: center;
}


h1, p, pre { font-family:  Consolas ;
font-size: 5vh;
color: #38F703;
 }

button{ font-size: 3vh;
cursor: pointer;
}