.vk-split-grid {
  display: grid;
  width: 100%;
  height: 100%;
}
.vk-split-grid-gutter {
  transition: background 400ms;
  transition-delay: 0.2s;
}
.vk-split-grid-gutter:hover{
  cursor: col-resize;
  background: var(--el-color-primary, #409eff);
}
.vk-split-grid-gutter.is-dragging {
  background-color: var(--el-color-primary, #409eff);
}