#grad1 {
  background: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet, red);
  font-feature-settings: initial;
  text-align: center;
  border-radius: 25px;
  padding: 3px;
}

h2 {
  height: 200px;
  padding: 3px;
}

footer {
  text-align: center;
  padding: 3px;
  background-color: DarkSalmon;
  color: white;
  border-radius: 25px;
}