.modal-window {
  position: fixed;
  background-color: rgba(255, 255, 255, 0.7);
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 999;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
}
.modal-window:target {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.modal-window > div {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 2em;
  background: #f4f4f4;
  border: 1px solid #ccc;
}
.subscribe--form h3 {
  display: none;
}
.modal-close {
  color: #aaa;
  line-height: 50px;
  font-size: 80%;
  position: absolute;
  right: 0;
  text-align: center;
  top: 0;
  width: 70px;
  text-decoration: none;
}
.modal-close:hover {
  color: #000000;
}
.subscribe-modal--wrapper {
  display: flex;
  justify-content: space-between;
  width: 100%; /* was 880px */
}
.subscribe--image, .subscribe--form {
  width: 48%;
}
.subscribe--image {
  background-image: url(../png/subscribe-modal-image-3.png);
  background-size: cover;
  background-position: center center;
}
.subscribe--form p {
  font-size: 12px;
  line-height: 18px;
  padding: 16px 0;
}

@media all and (max-width: 800px){

.modal-window > div {
  width: 90%;
  padding: 8px;
}
.subscribe-modal--wrapper {
  width: 100%;
}
.subscribe--image {
  display: none;
  width: 0;
}
.subscribe--form {
  width: 100%;
}
.subscribe--form h2 {
  font-size: 30px;
}
.subscribe-modal--wrapper fieldset.form-columns-2, .subscribe-modal--wrapper fieldset.form-columns-1 {
  max-width: 100%;
}