body
{
 background: rgb(2,0,36);
background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,121,116,0.9528186274509804) 39%, rgba(0,212,255,1) 100%);
}

h1 {
 color: forestgreen;  
}

#result {
  background-color: white;
}

#container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: honeydew;    
  border-radius: 5%;
  padding: 20px;
}