/**
 * 镜像库「图片操作」工具栏按钮图标
 * CKEditor 4 对 addButton(icon: 绝对路径 SVG) 解析不稳定，用 skin.addIcon + 此处兜底
 */
.cke .cke_button__mirrorimageupload .cke_button_icon {
  background-image: url("/ckeditor/mirror-image-upload/icons/mirror-image-upload.svg") !important;
  background-size: 16px 16px !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
  width: 16px !important;
  min-height: 16px !important;
  opacity: 1 !important;
}