The column-gap property controls the width of the gap between columns in multi-column elements. ... <看更多>

There are no rows. Add a margin to the images. #photos img { /* Just in case there are inline attributes */ width: 100% !important; height: auto !important; ... ... <看更多>

Use the gap, column-gap, and row-gap shorthand properties in CSS - GitHub - csstools/postcss-gap-properties: Use the gap, column-gap, and row-gap shorthand ... ... <看更多>