.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  display:none;
  opacity: 1;
}
.overlay:target {
  display:block;
}

.popup {
  margin-left: auto;
  margin-right: auto;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  width: 30%;
  position: relative;
  font-family: Gill Sans; 
  color: #2471A3; 
  text-align: center;
}



.popup .close {
  position: absolute;
  top: 5px;
  right: 10px;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #000000;
}

.popup .close:link, .popup .close:visited {
	color: #000000;
}
.popup .close:hover {
  color: #06D85F;
  text-decoration: none;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}

@media screen and (max-width: 700px){

  .popup{
    width: 70%;
  }
}