.rs-subject-readonly {
    background-color: #f3f3f3;
    cursor: not-allowed;

  }
  .rs-subject-placeholder {
    color: #888;
    font-style: italic;
  }
  .rs-readonly {
    background-color: #f3f3f3;
    cursor: not-allowed;
  }
  #format-buttons,
  #smiley-box{
    display: none;
  }