WP File Manager

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

Editing: theme-rtl.min.css

.wp-block-quote{border-right:.25em solid;margin:0 0 1.75em;padding-right:1em}.wp-block-quote cite,.wp-block-quote footer{color:currentColor;font-size:.8125em;font-style:normal;position:relative}.wp-block-quote:where(.has-text-align-right){border-left:.25em solid;border-right:none;padding-left:1em;padding-right:0}.wp-block-quote:where(.has-text-align-center){border:none;padding-right:0}.wp-block-quote.is-large,.wp-block-quote.is-style-large,.wp-block-quote:where(.is-style-plain){border:none}