View file File name : style.css Content :ul.wp-block-rss{ list-style:none; padding:0; } ul.wp-block-rss.wp-block-rss{ box-sizing:border-box; } ul.wp-block-rss.alignleft{ margin-right:2em; } ul.wp-block-rss.alignright{ margin-left:2em; } ul.wp-block-rss.is-grid{ display:flex; flex-wrap:wrap; list-style:none; padding:0; } ul.wp-block-rss.is-grid li{ margin:0 1em 1em 0; width:100%; } @media (min-width:600px){ ul.wp-block-rss.columns-2 li{ width:calc(50% - 1em); } ul.wp-block-rss.columns-3 li{ width:calc(33.33333% - 1em); } ul.wp-block-rss.columns-4 li{ width:calc(25% - 1em); } ul.wp-block-rss.columns-5 li{ width:calc(20% - 1em); } ul.wp-block-rss.columns-6 li{ width:calc(16.66667% - 1em); } } .wp-block-rss__item-author,.wp-block-rss__item-publish-date{ display:block; font-size:.8125em; }