html, {
  margin: 0px;
  padding: 0px;
}


#content {
  width: 850px;
  height: 600px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -318px;
  margin-left: -443px;
  border: solid white 18px;
}

body {
  background-color: #505050;
  background-image: url("claudias-back.png");
  background-repeat: no-repeat;
  background-attachment:fixed;
  background-position: center center;
  margin: 0px;
}