content styling problems IBM worklight

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http://stackoverflow.com – I am trying to make a simple app using worklight 5.0. Now Here is a screenshot of my app on my device - Now the problem is almost negligible, but i want to fix this. See in the screenshot above before the divider there is some blank space, now this blank space is a part of my image if you download it and see, you will see it clearly. Now in my Css i have already defined the height to be 100% but still this 10-20px margin is there at the bottom and i dont know why.... Below are my HTML and CSS file's content in case you might wanna review it. #content{ height:100%; width:100%; margin: (HowTos)