KevKemChiroWP/wp-includes/blocks/rss/editor.min.css

.wp-block-rss li a>div{display:inline}.wp-block-rss__placeholder-form>*{margin-bottom:8px}@media (min-width:782px){.wp-block-rss__placeholder-form>*{margin-bottom:0}}.wp-block-rss__placeholder-form .wp-block-rss__placeholder-input{flex:1;min-width:80%}