zammad/app/assets/stylesheets/jquery.enableObjectResizingShim.css

.enableObjectResizingShim {
  box-shadow: 0 0 0 1px black;
  position: relative;
  display: inline-block !important;
  vertical-align: top;
}

.enableObjectResizingShim-handle {
  position: absolute;
  width: 20px;
  height: 20px;
  margin: -10px;
  left: 0;
  top: 0;
  cursor: nwse-resize;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}

.enableObjectResizingShim-handle:after {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: white;
  border: 1px solid black;
}

.enableObjectResizingShim-handle:hover:after {
  background: black;
}

.enableObjectResizingShim-handle:nth-child(2) {
  left: 100%;
  cursor: nesw-resize;
}

.enableObjectResizingShim-handle:nth-child(3) {
  left: 100%;
  top: 100%;
}

.enableObjectResizingShim-handle:nth-child(4) {
  top: 100%;
  cursor: nesw-resize;
}

.enableObjectResizingShim-clone {
  position: absolute;
  width: 100%;
  height: auto;
  opacity: 0.5;
  border: 1px dashed black;
}

.enableObjectResizingShim-clone--0 {
  right: 0;
  bottom: 0;
}

.enableObjectResizingShim-clone--1 {
  left: 0;
  bottom: 0;
}

.enableObjectResizingShim-clone--2 {
  left: 0;
  top: 0;
}

.enableObjectResizingShim-clone--3 {
  top: 0;
  right: 0;
}