php/www/webapp/framework/ratchet-2.0.2/sass/modals.scss

//
// Modals
// --------------------------------------------------

.modal {
  position: fixed;
  top: 0;
  z-index: 11;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background-color: #fff;
  opacity: 0;
  -webkit-transition: -webkit-transform .25s, opacity 1ms .25s;
     -moz-transition: -moz-transform .25s, opacity 1ms .25s;
          transition: transform .25s, opacity 1ms .25s;
  @include transform(translate3d(0, 100%, 0));

  // Active modal
  &.active {
    height: 100%;
    opacity: 1;
    -webkit-transition: -webkit-transform .25s;
       -moz-transition: -moz-transform .25s;
            transition: transform .25s;
    @include transform(translate3d(0, 0, 0));
  }
}