html,body{
  margin:0;
  background:#1b1e28;
  color:#eef2f7;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  height:100%;
}
#ui{
  position:fixed;
  top:0;left:0;right:0;
  display:flex;justify-content:space-between;align-items:center;
  padding:.5rem .75rem;
  background:linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,0));
  z-index:10;
  user-select:none;
}
#ui .left span{margin-right:1rem;opacity:.9}
#ui .right button{
  font-size:1.25rem;
  padding:.35rem .6rem;
  margin-left:.3rem;
  background:#2b3244;border:1px solid #3b4460;color:#fff;border-radius:.5rem;
}
#ui .right button:active{transform:scale(.96)}
#game{
  display:block;
  width:100vw;height:100vh;
  image-rendering: pixelated;
}