.modal{
  display:none;
  background: transparent;
  position: fixed;
  z-index: 1031;
}

.modal_bg{
  position: fixed;
  width: 100%;
  height: 100%;
  background: transparent;
  top: 0;
  left: 0;
  z-index: 1032;
  opacity: 0;
}

.modal-dialog {
  position: absolute;
  top:0;
  left:0;
  opacity: 0;
  z-index: 1033;
  margin: 0;
  width: 100%;
  max-width: 640px;
}


@media (max-width: 767px) {
  .modal-dialog {
    width: 90%;
    max-width: 300px;
  }
}


.modal-content .overlay{
  z-index: 50;
  background: rgba(255,255,255,0.7);
  border-radius: 3px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.modal-content .overlay > .fa{
  position: absolute;
  top: 50%;
  left: 50%;
  margin-left: -15px;
  margin-top: -15px;
  color: #000;
  font-size: 30px;
}