body{
  width: 300px;
  margin: 0 auto;
  background-color: rgb(194, 194, 194);
}
.Square{
  width: 80px;
  height: 80px;
  border: 3px solid rgb(4, 214, 167);
  border-radius: 5px;
  font-size: 40px;
  text-align: center;
}
h1{
  color: rgb(4, 214, 167);
  border-bottom: 2px solid black;
  padding-bottom: 15px;
  margin-bottom: 15px;
}
#message{
  font-size: 20px;
  margin-bottom: 15px;
}