body {
  text-align: center;
  background-image: url("https://media.istockphoto.com/photos/green-felt-background-picture-id536554579?k=20&m=536554579&s=612x612&w=0&h=VFyqP8Rvb42HFiZay2_Ffg0oCTcizSmiAN4pAXlNU9E=");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

#ball {
  width: 350px;
  height: 350px;
  background-color: black;
  border-radius: 50%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 290px;
  box-shadow: 10px 10px 10px;
}

div #eight  {
  width: 170px;    
  height: 160px;  
  background-color: white;  
  border-radius: 50%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 20px;
  font-size: 138px;      
}

#answer {
  font-size: 38px;
}

#play {
  padding: 10px;
  background-color: black;
  color: white;
}

#question {padding: 10px;}