.ui-ajax-waiter {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  height: 100%;
}

.ui-ajax-waiter-container {
  -webkit-box-flex: 1;
      -ms-flex-positive: 1;
          flex-grow: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.ui-ajax-waiter-container progress {
  width: 100%;
}

.ui-ajax-waiter-messages {
  overflow: auto;
}

.ui-ajax-waiter-actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 15px;
}