@charset "UTF-8";
.hidden {
  display: none;
}

#overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

#popup {
  position: fixed;
  top: 10%; /* 20% */
  left: 0%; /* 20% */
  transform: translate(-0%, -0%); /* (-50%, -50%)*/
  background: white;
  padding: 10px;
  border-radius: 4px;
  width: 100%; /* 600px */
  height: 90%;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

#popup .content {
  position: relative;
}

#closeBtn {
  position: absolute;
  top: 5px;
  right: 10px;
  cursor: pointer;
  font-size: 20px;
}