We capture the dimensions of the page when the toolbar loads. People viewing the MarkUp with different screen resolutions might see an "empty" background or ne

We capture the dimensions of the page when the toolbar loads. People viewing the MarkUp with different screen resolutions might see an "empty" background or need to scroll a bit. Here's an example: http://markup.io/v/x9ybmz4e5k7r http://markup.io/v/x9ybmz4e5k7r