brpp.pl/wp-includes/blocks/read-more/style.min.css

.wp-block-read-more{display:block;width:fit-content}.wp-block-read-more:where(:not([style*=text-decoration])){text-decoration:none}.wp-block-read-more:where(:not([style*=text-decoration])):active,.wp-block-read-more:where(:not([style*=text-decoration])):focus{text-decoration:none}