.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
   background: rgba(255, 255, 255, 0.8);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  width: 800px;
  margin: 300px auto;
  padding: 30px;
  background: url('../../IMG/BckBG-2.png');
  *border: 2px solid #a8a8a8;
  *border-radius: 10px;
  box-shadow: 10px 15px 15px -10px rgba(0, 0, 0, 0.3);
  border-radius: 255px 25px 225px 15px/15px 225px 15px 255px;
  border-top-left-radius: 255px 15px;
  border-top-right-radius: 15px 225px;
  border-bottom-right-radius: 225px 15px;
  border-bottom-left-radius:15px 255px;
  border: solid 3px #41403E;
}

.popup-h3 {
  color: green;
  font-family: 'IranSans-Light';
  font-size: 25px;
  line-height: 70px;
  padding: 15px;
  margin-top: -20px;
}


.popup-h4 {
  color: red;
  font-family: 'IranSans-Light';
  font-size: 25px;
  line-height: 70px;
  padding: 15px;
  margin-top: -20px;
}

.popup .close {
  position: absolute;
  margin: -40px auto;
  margin-right: -20px;
  font-size: 40px;
  color: gray;
  z-index: 9999;
  font-family: 'IranSans-Light';
}
.popup .close:hover {
  color: black;
}
.content {
  color: #2c2c2c;
  max-height: 30%;
  font-family: 'IranSans-Light';
  font-size: 17px;
  margin-top: -50px;
  margin-bottom: 20px;
  text-shadow: 2px 3px 3px rgba(0,0,0,0.1);
  padding: 15px;
  line-height: 40px;
  text-align: justify;
  direction: rtl;
}