Twitter embed is not working in wordpress after loading mcustom scrollbar?

I am adding twitter embed URL into WordPress editor and my website have mcustomscrollbar. As its loading into front end, its removing the embed twitter. Mainly its happening in safari mac system in chrome its happening randomly. For demo issue test the below link. http://www.thelallantop.com/news/agra-smriti-iranis-convoy-rammed-into-our-carshe-came-out-i-begged-her-for-help-but-she-left-daughter-of-victim/

https://wordpress.org/plugins/wordpress/