.modal-backdrop {
  position: absolute;
  z-index: 1100;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #000;
  opacity: 0;
  filter: alpha(opacity=0);
  visibility: hidden;
  transition: all 0.4s;
  transition-delay: 0.2s;
}
.modal-backdrop.modal-visible {
  opacity: 0.6;
  visibility: visible;
  filter: alpha(opacity=60);
  transition-delay: 0s;
}
/*
 * ! MUST NOT BE MODIFIED !
 * used for centering
 */
.modal-wrapper {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  text-align: center;
  visibility: hidden;
}
.modal-wrapper:before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle;
  margin-right: -0.25em;
}
.modal-wrapper.modal-visible {
  visibility: visible;
}
/*
 * MODAL STYLING
 * can be customised
 */
.modal-container {
  position: relative;
  z-index: 1110;
  display: inline-block;
  vertical-align: middle;
  border: 1px solid #ccc;
  text-align: left;
  border-radius: 4px;
  background-color: #fff;
  visibility: hidden;
  transition: all 0.4s;
  transition-delay: 0s;
}
.modal-container.modal-visible {
  visibility: visible;
  transition-delay: 0.2s;
}
/*
 * MODAL ANIMATIONS
 * available Modal animations
 * feel free to append your own
 */
/* fade */
.modal-fade {
  opacity: 0;
}
.modal-fade.modal-visible {
  opacity: 1;
}
/* slide */
.modal-slide {
  opacity: 0;
  transform: translateY(-1000px);
}
.modal-slide.modal-visible {
  opacity: 1;
  transform: translateY(0);
}
/* zoom */
.modal-zoom {
  opacity: 0;
  transform: scale(0);
}
.modal-zoom.modal-visible {
  opacity: 1;
  transform: scale(1);
}