body:before{
  content: ' ';
  color: #0d745e;
  font-size: 24px;
  font-weight: 500px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
  background: url(images/evaluation.png) 0 0 repeat;
  background-position: center;  
  opacity: 0.04;
  /* transform: rotate(-45deg);*/
}