#ball {
  margin: auto;
 	width: 200px;
  height: 200px;
  background-color: blue;
  border-radius: 50%;
  border-color: black;
  border-style: solid;
  border-width: 175px; 
  
}

#prompt{
  margin: 0;
  border-radius: 10%;
  border-style: solid;
  
}