.modal {
  display: none;
  position: fixed;
  z-index: 5;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.4);
}

/* modal.css */
.modal-content {
    position: relative;
    z-index: 5; /* Higher than overlay */
    background-color: #fefefe;
    margin: 60px auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 800px;
    text-align: left;
}


.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}