.vk-resizable{
  min-width: var(--vk-resizable-minwidth);
  min-height: var(--vk-resizable-minheight);
  position: relative;
}
.vk-resizable__br{
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  cursor: se-resize;
}
.vk-resizable__br::before {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  border-style: solid;
  border-width: 0 10px 10px 0;
  border-color: transparent var(--el-border-color-darker);
  transform: rotate(90deg);
}
.vk-resizable__tl{
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  cursor: nw-resize;
}
.vk-resizable__tl::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  border-style: solid;
  border-width: 0 0 10px 10px;
  border-color: transparent var(--el-border-color-darker);
}