.modal[aria-hidden="true"] {
  display: none;
}

.modal-overlay {
  z-index: 9998;
  background-color: rgba(0, 0, 0, 0.8);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  cursor: pointer;
}

.modal-content {
  background-color: #FFF;
  z-index: 9999;
  position: fixed;
  top: 50%;
  left: 50%;

  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);

  padding: 50px 5%;
  width: 800px;
  max-width: 90%;
  max-height: 90%;
  border-radius: 2px;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  border: 0;
  padding: 0;
  background-color: transparent;
  font-weight: bold;
  font-size: 1.25em;
  width: 25px;
  height: 25px;
  text-align: center;
  cursor: pointer;
  outline: none;
}