Ensure font for quoted string in markdown is not too large

- remove setting of style from global to element specific

Fixes #22164

plugins/MantisCoreFormatting/core/MantisMarkdown.php

@@ -68,9 +68,6 @@ public function __construct() {
 
 		# set the table class
 		$this->table_class = 'table table-nonfluid';
-
-		# set the border color of blockquote
-		$this->inline_style = 'border-color:#847d7d';
 	}
 
 	/**
@@ -197,7 +194,8 @@ protected function blockTableContinue( $line, array $block ) {
 	private function __quote( $line, $block, $fn ) {
 
 		if( $block = call_user_func( 'parent::' . $fn, $line, $block ) ) {
-			$block['element']['attributes']['style'] = $this->inline_style;
+			# set mantis style
+			$block['element']['attributes']['style'] = 'border-color:#847d7d;font-size:13px;';
 		}
 
 		return $block;