.background-image {
  position: fixed;
  top: -5%;
  left: -5%;
  right: 0;
  z-index: -1;
  display: block;
  background-image: url('ppp.png');
  background-size:cover;
  width: 110%;
  height: 110%;
  -webkit-filter: blur(5px);
  -moz-filter: blur(5px);
  -o-filter: blur(5px);
  -ms-filter: blur(5px);
  filter: blur(5px);