@import url(http://fonts.googleapis.com/css?family=Ubuntu:700);

html, body { 
  margin: 0; 
  padding: 0; 
  overflow:hidden; 
  width:100%;
  background:hsla(0,5%,5%,1);
  font-family: 'Ubuntu', sans-serif;
  font-size:1.05em;
}
canvas {
  background:#222; 
  width:100%;
  height:100vh;
}
a{
  bottom:0;
  right:0;
  position:absolute;
  border:none;
  background:hsla(0,5%,5%,.5);
  color:hsla(121, 95%, 45%, 1);
  padding:.5em;
  text-decoration:none;
}