body { 
  background:hsla(0, 0%, 0%, 1);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-image: -webkit-linear-gradient(left bottom, hsla(0, 5%,5%, 0.5), hsla(0, 0%, 15%,1));
  background-image: linear-gradient(to right top, hsla(0, 5%,5%, 0.5), hsla(0, 0%, 15%,1));
  background-image:-moz-linear-gradient(to right top, hsla(0, 5%,5%, 0.5), hsla(0, 0%, 15%,1));
	margin: 0;
  padding: 0;
  overflow: hidden;
  width:100%;
} 