.popup {
  display: none;
  position: fixed;
  padding: 10px;
  width: 680px;
  left: 50%;
  margin-left: -350px;
  height: 180px;
  top: 50%;
  margin-top: -100px;

  z-index: 20;
color: white;
}

#popup1:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup1:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup2:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup2:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup3:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup3:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup4:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup4:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup5:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup5:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup6:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup6:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup7:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup7:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup8:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup8:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup9:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup9:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}

#popup10:after {
  position: fixed;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0,0,0,0.7); 
  z-index: -2;
}

#popup10:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  z-index: -1;
}