h1 {
    height: 10:px;
    width: 1500:px;
    border: 10px solid black;
    outline: 5px solid gray;
    background-color: #ccc;
    padding: 10px;
    margin: 10px;
    }
#nav{
    text-align: justify: float:left;
    margin:0 auto;
}
body {
      background: url("https://images.alphacoders.com/503/thumb-1920-503799.jpg") no-repeat fixed;
  }
  #photo
  {
      width: 50%;
    }