.hdk_events_select:not(.waiting_list_offer)>*:not(.initial),#waiting_list.hidden{
    max-height:0;
    opacity:0;
    transition:opacity 300ms ease;
    overflow:hidden;
}
.hdk_events_select.display>*:not(.initial),#waiting_list{
    max-height:1000px;
    opacity:1;
    transition:opacity 300ms ease;
}

.slidecontainer {
    width: 100%; /* Width of the outside container */
  }
  
  /* The slider itself */
  .slider {
    -webkit-appearance: none;  /* Override default CSS styles */
    appearance: none;
    width: 100%; /* Full-width */
    height: 25px; /* Specified height */
    background: #fff; /* Grey background */
    outline: none; /* Remove outline */
    opacity: 0.7; /* Set transparency (for mouse-over effects on hover) */
    -webkit-transition: .2s; /* 0.2 seconds transition on hover */
    transition: opacity .2s;
  }
  
  /* Mouse-over effects */
  .slider:hover {
    opacity: 1; /* Fully shown on mouse-over */
  }
  
  /* The slider handle (use -webkit- (Chrome, Opera, Safari, Edge) and -moz- (Firefox) to override default look) */
  .slider::-webkit-slider-thumb {
    -webkit-appearance: none; /* Override default look */
    appearance: none;
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #000; /* Green background */
    cursor: pointer; /* Cursor on hover */
  }
  
  .slider::-moz-range-thumb {
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #000; /* Green background */
    cursor: pointer; /* Cursor on hover */
  }