body { overflow: hidden; }
body > div {
  cursor: move;
  position: absolute;
  width: 100px;
  height: 100px;
  border: #cccccc 5px ridge;
}
body > div div {
  position: absolute;
  width: 5px;
  height: 5px;
  background: #cccccc;
}
body > div .right {
  width: 3px;
  border-right: #787878 2px solid;
}
body > div .bottom {
  height: 3px;
  border-bottom: #787878 2px solid;
}