.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
  overflow: scroll;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 350px auto;
  padding: 20px;
  background: #FFFFFF;
  border-radius: 5px;
  width: 30%;
  position: relative;
  transition: all 0s ease-in-out;
  text-align: left;
  color: #000000;
}
.popup_big {
  margin: 160px auto;
  padding: 20px;
  background: #FFFFFF;
  border-radius: 5px;
  width: 75%;
  position: relative;
  transition: all 0s ease-in-out;
  text-align: left;
  font-size: 14px;
  color: #000000;
}

.popup h2 {
  margin-top: 0;
  color: red;
  font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup_big .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: red;
}
.popup_big .close:hover {
  color: red;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}
.popup_big .link {
   color: #000000;
   text-decoration: none;
   font-family: "Century Gothic", "CenturyGothic", "Geneva", "AppleGothic", "sans-serif";
 }
.popup_big a:hover {
   color: red;
  }
.popup a {
   color: #000000;
   text-decoration: none;

   font-family: "Century Gothic", "CenturyGothic", "Geneva", "AppleGothic", "sans-serif";
 }
.popup a:hover {
   color: red;
  }