h1 {text-align: center;}

  body {
    background-color: #edd7fc;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
    max-width: 1100px;
    font-family: Georgia;
    font-size:18px;
  }
  
  .center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
  }
  
   /* The sidebar menu backdrop */
  .sidenav {
  width: 130px;
  position: fixed;
  z-index: 1;
  top: 10px;
  left: 10px;
  background: #f9dbff;
  border: 3px outset #1e1e1e;
  font-size: 16px;
  overflow-x: hidden;
  padding: 0px 0;
  }
  /* The sidebar menu buttons */
  .sidenav a {
  padding: 6px 8px 6px 16px;
  border: 1px outset #ffffff;
  text-decoration: none;
  font-size: 16px;
  color: #2196F3;
  display: block;
  padding: 3px 0;
  }
  /* The sidebar menu hover */
  .sidenav a:hover {
  color: #064579;
  }

  /* On smaller screens, where height is less than 450px, change the style of the sidebar (less padding and a smaller font size) */
  @media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
  } 
  
  
   /* Link Color Data */
  a:link {
  color: #1e7529;
  background-color: transparent;
  text-decoration: none;
 }

 a:visited {
  color: #849c43;
  background-color: transparent;
  text-decoration: none;
 }

 a:hover {
  color: red;
  background-color: transparent;
  text-decoration: underline;
 }

 a:active {
  color: yellow;
  background-color: transparent;
  text-decoration: underline;
 }