.rw-popup {
  position: absolute;
  .box-shadow(0 5px 6px rgba(0,0,0,0.2));
  .border-top-radius(0);
  .border-bottom-radius(@border-radius-sm);
  border:           @popup-border 1px solid;
  background:       @popup-bg;
  padding:          2px;
  overflow:         auto;
  
  // the offsets allows for drop shadow to not be clipped by the container
  margin-bottom:    10px;
  left:             10px;
  right:            10px;

  .rw-dropup > & {
    margin-bottom: 0;
    margin-top:    10px;
    .border-top-radius(@border-radius-sm);
    .border-bottom-radius(0);
    .box-shadow(0 0 6px rgba(0,0,0,0.2));
  }
}

.rw-popup-container {
  position: absolute;
  top: 100%;
  margin-top: 1px;
  z-index: @popup-zindex;
  // offset for drop shadow on rw-popup
  left:  -10px - @input-border-width;
  right: -10px - @input-border-width;
  
  &.rw-dropup {
    top:    auto;
    bottom: 100%;
  }

  &.rw-calendar-popup {
    right: auto;
    width: 18em; //15em; ?
  }
}