body {
 background-color: black;
 color: #13d446;
 font:
   1.2rem "Matrix",
   sans-serif;
}

#container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

h1 {
  font-size: 4.5rem;
}

#counter {
  font-size: 5rem;
  font-family: "Matrix" sans-serif;
}

#days {
  font-family: "Century";
}