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.UD {
  position: relative;
  opacity: 0.3;
  &:before {
    display: inline-block;
    *display: inline;
    *zoom: 1;
    content: "Under Development";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    border: 1px solid red;
    padding: 5px;
    text-align: center;
    color: red;
    font-size: 16px;
    font-weight: 700;
  }
}