#palette {
  display : inline-table;
  width   : 22rem;
}

#details {
  display: inline-block;
  margin: 1rem 2rem;
}

#manage {
  position: relative;
}

#reference {
  margin   :2px;
  position : absolute;
  width    : 150px;
}

#rect {
  border   : 2px solid red;
  left     : 0px;
  position : relative;
  top      : 0px;
  z-index  : 100;
}

#reference, #tbl_img, #tbl_img div.container {
  touch-action: none;
}