WP File Manager

Name	Action
..
block.json	Edit
style-rtl.css	Edit
style-rtl.min.css	Edit
style.css	Edit
style.min.css	Edit

Editing: style-rtl.min.css

.wp-block-read-more{display:block;width:-moz-fit-content;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}