html, body {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
}

#bg {
  background-image: url("../pearblossom_files/pearblossom.jpg");
  background-size:cover;
  background-repeat:no-repeat;
  background-position:center center;
  width:100%;
  height:100%; 
  box-sizing:border-box;

}