.splitter-pane-resizer {
  box-sizing: border-box;
  background: #000;
  position: absolute;
  opacity: 0.2;
  z-index: 1;
  background-clip: padding;
  background-clip: padding-box;
}

.splitter-pane-resizer.horizontal {
  height: 11px;
  margin: -5px 0;
  border-top: 5px solid rgb(255 255 255 / 0%);
  border-bottom: 5px solid rgb(255 255 255 / 0%);
  cursor: row-resize;
  width: 100%;
}

.splitter-pane-resizer.vertical {
  width: 11px;
  height: 100%;
  margin-left: -5px;
  border-left: 5px solid rgb(255 255 255 / 0%);
  border-right: 5px solid rgb(255 255 255 / 0%);
  cursor: col-resize;
}