body {
  text-align: center;
  line-height: 1.5em;
  font-size: 1.3em;
  background-color: ghostwhite;
}
#container {
  max-width: 80%;
  position: relative;
  left: 10%;
}
button {
  font-size: 1.4em;
  border-radius: 50%;
  padding: 2%;
  border: none;
  background-color: blue;
  color: wheat;
  box-shadow: 3px 2px rgba(0, 0, 0, 0.664);
}
button:hover {
  background-color: navy;
}
#results {
  background: linear-gradient(red, orange, green, blue, indigo, violet);
  color: wheat;
  font-size: 1.5em;
}