.center {
    margin: auto;

  width: 57%;
  border: 5px black;
  padding: 20px;
  text-align: center;
}


body {
  background: url(/backgrounds/tiles1.jpg);
  background-color: black;
  background-repeat: repeat-y;
  background-size: cover;
  flex-direction: column;
  display: flex;
margin: auto;
  text-align: center;
}