def visit_caption(self, node):
if isinstance(node.parent, nodes.container) and node.parent.get('literal_block'):
self.body.append('<div class="code-block-caption">')
else:
BaseTranslator.visit_caption(self, node)
self.add_fignumber(node)
self.body.append(self.starttag(node, 'span', '', CLASS='caption-text'))
