body

{
background-image: url(https://i.pinimg.com/736x/25/5c/7d/255c7d4a32f1c488b0b5517d94955238.jpg);
background-size: 1500px 700px;
background-repeat: no-repeat;
}

h1 {
  text-align: right;
  color:#b7b7b7;
}

#mainImg{
 Float: top left;
 }
 
h1 { text-align:center;
width: 1000;
}