.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

.modal-content {
  background-color: #f4f4f4;
  margin: 5% auto;
  width: 50%;
  box-shadow: 0 5px 8px 0 rgba(0,0,0,0.2),0 7px 20px 0 rgba(0,0,0,0.17);
  animation-name: modalopen;
  animation-duration: 1s;
}

@keyframes modalopen {
  from {opacity: 0}
  to {opacity: 1}
}

.modal-close {
  font-size: 2rem;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  top: -20px;
  right: -20px;
  width: 40px;
  height: 40px;
  color: #000;
  border-radius: 50%;
  cursor: pointer;
}

.modal-close:hover {
  cursor: pointer;
}