#number{
  display:flex;
  justify-content:center;
  align-items:center;
  font-size:39px;
  color:#fff;  
  margin-bottom:20px;
  padding:30px;
  background:#8e55ff;
  
}
#container{
    display:flex;
  justify-content:center;
  align-items:center;
}
#btn{
  background:#ddffcc;
  border:1px solid #000;
    padding:20px 40px;
  font-size:18px;
  color:#000;  
  border-radius:20px;
  cursor:pointer;
}