Current directory: [site root]/wp-includes/blocks/audio/

Back Editing: editor-rtl.css

.wp-block-audio{ margin-left:0; margin-right:0; position:relative; } .wp-block-audio.is-transient audio{ opacity:.3; } .wp-block-audio .components-spinner{ margin-right:-9px; margin-top:-9px; position:absolute; right:50%; top:50%; }

Save