* {
  box-sizing: border-box;
  font-family: 'Courier New', Courier, monospace;
}
body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100vh;
}
#reset {
  position: absolute;
  top: 500px;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #39C66B;
  color: white;
  padding: 10px 15px;
  font-size: 25px;
  border: 1px solid #333333;
  border-radius: 4px;
  font-weight: bold;
  display: none;
}