style.css

html {
  height: 100%;
  width: 100%;
}

#gameArea {
  width: 80%;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background-color: #ffff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  font-size: 25px;
}

button{
  size: 25px;
  font-size: 18px;
  padding: 15 px 25 px;
  border-radius: 5px;
  color: black;
  cursor: pointer;
  margin: 10px
}

#easy{
  background-color: #a5c90f;
}

#medium{
  background-color: #ffce00 ;
}

#hard{
  background-color: #FF5733 ;
}

#extreme{
  background-color: #FF0000;
}

#ultraExtreme{
  background-color: #d60000;
}

#credit{
  background-color:#7FC9AA;
}

#easyTitle{
  color:#a5c90f;
}

#mediumTitle{
  color: #ffce00 ;
}

#hardTitle{
  color:  #FF5733;
}

#extremeTitle{
  color: #FF0000;
}

#ultraExtremeTitle{
  color: #d60000 ;
}