html{
       font-size: 95%;
}
      h1 {
  color: white;
  text-align: center;
}
body {
  background-image: url(https://nicegirlslumber.neocities.org/testguestbook.jpg);
  background-position: center; 
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  }
.container {
  height: 100px; 
  width: 100px; 
  position: absolute; 
  z-index: 10; 
  top: 20em; 
  left: 11em;
  padding: 55px;
  }