.block-ui {
  position: relative;
}

.block-ui-container {
  position: absolute;
  z-index: 1010;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  height: 100%;
  min-height: 2em;
  cursor: wait;
  overflow: hidden;
}

.block-ui-container:focus {
  outline: none;
}

.block-ui-overlay {
  width: 100%;
  height: 100%;
  opacity: 0.5;
  filter: alpha(opacity=50);
  background-color: white;
}

.block-ui-message-container {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  text-align: center;
  transform: translateY(-50%);
  z-index: 10001;
}

.block-ui-message {
  color: #333;
  background: none;
  z-index: 1011;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}