HTML does not work in Single Product page

It works fine on the product list and shop page, but not on individual product pages.

Please see the screenshots attached:

[url=https://postimg.org/image/qvbvev8mr/][img]https://s13.postimg.org/qvbvev8mr/Pasted_image_at_2016_10_24_01_53_AM.png[/img][/url]

[url=https://postimg.org/image/jtdxso50z/][img]https://s13.postimg.org/jtdxso50z/Pasted_image_at_2016_10_24_01_53_AM_1.png[/img][/url]