.pre-scrollable {
  max-height: 600px;
  overflow-y: scroll;
}
.modal-open {
  overflow: hidden;
}
.modal {
  display: none;
  overflow: hidden;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1040;
  -webkit-overflow-scrolling: touch;
  outline: 0;
}
.modal.fade .modal-dialog {
  -webkit-transform: translate(0, -25%);
  -ms-transform: translate(0, -25%);
  -o-transform: translate(0, -25%);
  transform: translate(0, -25%);
  -webkit-transition: -webkit-transform 0.3s ease-out;
  -o-transition: -o-transform 0.3s ease-out;
  transition: transform 0.3s ease-out;
}
.modal.in .modal-dialog {
  -webkit-transform: translate(0, 0);
  -ms-transform: translate(0, 0);
  -o-transform: translate(0, 0);
  transform: translate(0, 0);
}
.modal-open .modal {
  overflow-x: hidden;
  overflow-y: auto;

}
.modal-dialog {
  position: relative;
  width: auto;  
}
.modal-content {
  position: relative;
  background-color: #ffffff;
  outline: 0; 
}
.modal-backdrop {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  background-color: #000000;
}
.modal-backdrop.fade {
  opacity: 0;
  filter: alpha(opacity=0);
}
.modal-backdrop.in {
  opacity: 0.6;
  filter: alpha(opacity=60);
}
.modal-header {
  position:relative;  
}
.modal-header .close {
  display:block;
  /*background: url(../images/close_x.png) center no-repeat;*/height:54px ;width:54px;
  position:absolute;top:20px;right:0;border:0;outline:0; cursor:pointer; ; z-index:99;
}
.modal-body {
  position: relative;
  padding: 0px; overflow: hidden;
}

@media (min-width: 768px) {
  .modal-dialog {
    width: 600px;
    margin:0 auto;
  }
}


/**/
.modal_frame{height:550px; overflow:hidden}