siyuan/app/src/assets/scss/export.scss

@import "mixin";
@import "tooltips";
@import "typography";
@import "wysiwyg";

// https://ld246.com/article/1645943925484 问题3
.fn__flex-1 {
  flex: 1
}

.fn__none {
  display: none;
}

.protyle-wysiwyg a {
  color: var(--b3-protyle-inline-link-color);
  cursor: pointer;
  transition: var(--b3-transition);
}

svg {
  fill: currentColor;
  display: inline-block;
}

.protyle-wysiwyg [data-node-id].iframe:hover .protyle-action__drag {
  display: none;
}

.b3-typography table, .protyle-wysiwyg table {
  display: table;
}

.protyle-attr {
  position: absolute;
  right: 0;
  top: -9px;
  display: flex;
  opacity: 0;
  font-size: 12px;

  & > div {
    margin: 0 4px;
    display: flex;
    align-items: center;
    line-height: 16px;
    color: var(--b3-theme-on-surface);

    &:hover {
      color: var(--b3-theme-on-background);
    }

    svg {
      height: 12px;
      width: 12px;
      margin-right: 2px;
      flex-shrink: 0;
    }
  }

  &:empty {
    display: none;
  }
}