Layout Grid Overlay
Lay a column grid, a baseline grid and element outlines over any page. Set the column count, gutter, content width and margins, and keep a different setup per site.
可在 Android™ 版 Firefox 上使用
扫码在 Android 版 Firefox 中打开此扩展
Lay a column grid, a baseline grid and element outlines over any page. Set the column count, gutter, content width and margins, and keep a different setup per site.