/* begin Up-Down button  */

.up_down_btn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 9999;
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  background: #f5f5f5 url('arrow-up.svg') center center no-repeat;
  color: #444;
  cursor: pointer;
  border-radius: 2px;
  display: none;
}

.up_down_btn-down {
  background: #f5f5f5 url('arrow-down.svg') center center no-repeat;
}

.up_down_btn:hover {
  text-decoration: none;
  /*background: #e9ebec ;*/
}

.up_down_btn-show {
  display: block;
}

.up_down_btn-disabled {
  pointer-events: none;
  cursor: default;
  opacity: 0;
}