.modal-dialog {
      max-width: 800px;
      margin: 100px auto;
  }

.modal-body {
  position:relative;
  padding:0px;
}


.close {
  position:absolute;
  right:-60px;
  top:0;
  z-index:999;
  font-size:4rem;
  font-weight: normal;
  color:#fff;
  opacity:1;
}

.modal-backdrop.fade {
opacity: 0;
filter: alpha(opacity=0);
}
.modal-backdrop.fade.in {
opacity: 0.9;
filter: alpha(opacity=90);
}