#ball {
  width: 150px;
  height:150px;
  padding:150px;
  border-radius:50%;
  background-color:black;
  text-align:center;
  color:white;
  font-size:100px;
  font-family:arial;
  margin: 0 auto;
}
#controls {
  margin: 0 auto;
  text-align: center;
    font-family:arial
}
#result {
  font-size: 20px;
  font-weight: bold;
  text-shadow: 2px 2px 2px red
}
h1 {
  font-family: arial;
  text-align: center;
    font-size:50px;
}
body{
   background-color:#aaf;
}