.modal {
  display: none; 
  position: fixed;
  z-index: 1000; 
  padding-top: 100px; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  overflow: auto; 
  background-color: rgb(0,0,0); 
  background-color: rgba(0,0,0,0.4); 
}

.modal-content {
  background-color: #fefefe;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 90%;
  height: 90%;
}

.close {
  color: #FFF;
  font-size: 40px;
  font-weight: bold;
  left: 50%;
  top: 30px;
  width: 50px;
  margin-left: -25px;
  position: absolute;
  text-align: center;
  display: block;
  line-height: 50px;
  height: 50px;
  cursor: pointer;  
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}