body {
  overflow: hidden;
  align-items: center;
  justify-content: center;
  background: #1e1d42;
  background: linear-gradient(109deg,rgba(30, 29, 66, 1) 11%, 
                                     rgba(70, 200, 212, 1) 33%, 
                                     rgba(23, 121, 212, 1) 51%, 
                                     rgba(148, 11, 212, 1) 73%, 
                                     rgba(212, 122, 11, 1) 97%);
 }
 
 fieldset {
  background-color: #FFFFFF;
  display: block;
	margin-top: 20px;
	margin-left: 150px;
	margin-right: 120px;
	padding: 0.35em, 0.625em, 0.75em, 0.75em;
	border: 2px groove;	
	width: 900px;
	height: 400px;
	
 }
 
 summary {
   cursor: pointer;
 }
 
 h1 {
   font-size: 50px;
   font-family: monospace;
   align-items: center;
   justify-content: center;
   text-align: center;
   background-color: #FFFACD;
 }
 
 #h21:hover {
   font-size: 50px;
 }
 
 #h22:hover {
   font-size: 50px;
 }
 
 div {
   border: 5px solid;
   background-color: #FFFACD; 
 }
 
 .heading {
   width: 1000px;
 }