I'm trying to add a hyperlink in fb messenger. Basically I'm creating a chatbot that replies users questions. However when I want to link the user to a webpage the only way possible is if I type in... Zebra Programming Language (ZPL) II using ^FB or ^TB truncates text at specific lenghts Asked 12 years, 2 months ago Modified 9 years, 3 months ago Viewed 28k times What is the user-agent string added when we open facebook app from an android mobile. I want to detect facebook app from android OS using user-agent string, is that achievable. Are there unique user- On medium sized screens these typically run smaller than 280px in width. .fb-page, .fb-page span, .fb-page span iframe[style] { width: 100% !important; } This is the code I use to stop the plugin breaking outside of a wrapping container. Unlike the old like box which would tile, this one just overflows, hiding the overflowed content.