.pita {
  margin:0px auto;
  width: 93%;
  height: 100%;
  display: block;
  position:absolute;
  overflow: hidden;
}
.pita span {
  width: 80%;
  height: 34px;
  top: 4%;
  left: 50%;
  position: absolute;
  display: block;
  background: #FF0000;
  color: #333;
  font-family: arial;
  font-size: 18px;
  color:white;
  text-align: center;
  line-height: 34px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  z-index: 3;
}