.popup {
  visibility: hidden;
  opacity: 0;
  position: fixed;
  transition: 0.5s;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.show-banner .popup {
  visibility: visible;
  opacity: 1;
}

.popup-close {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 5;
  color: black;
  background-color: white;
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
}

.popup-close:hover {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.popup-inner {
  border-radius: 6px;
  overflow: hidden;
  display: block;
  position: relative;
  box-shadow: 0 1px 30px rgba(0, 0, 0, 0.5);
  background-color: #edeae7;
  width: 100%;
  max-width: 680px;
}

.popup::before {
  content: "";
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  background-color: rgba(0, 0, 0, 0.4);
}