.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,.8);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
  z-index: 999999;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 70px auto;
  padding: 20px;
  /*background: #fff;*/
  border-radius: 5px;
  width: 520px;
  position: relative;
  transition: all 5s ease-in-out;
  text-align:center;
  background-color: #eeeeee;
  top: 30px;
}

.popup h2 {
  margin-top: 0;
  font-family: Tahoma, Arial, sans-serif;
      background: #06a293;
          font-size: 22px;
              color: white;
    margin: 0px 30px 0px 0px;
    padding: 4px 0px 4px 4px;
}
.popup .close {
  position: absolute;
  top: 5px;
  right: 5px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color:Black;
}
.popup .close:hover {
  color:red;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
  color: #5a5a5a;
  padding: 10px 0px 10px 4px;
    /*border: 1px solid #cbcbcb;*/
    margin: 0px 30px 0px 0px;
    text-align:center;
}

@media screen and (max-width: 700px){
.popup
{
    width: 70%;
}
}