Hi,
It seems your post sidebar setting is select to dont’ show any sidebar.
https://www.dropbox.com/s/cvr4zchb4ivd9el/no_sidebars.png?dl=0
Better to use the Swift Page Builder to format the content, it’s a powerful tool. You can place that text inside a Text Block.
At the moment where do you have the Twitter feed?
-Rui