Squashed 'app/' changes from 1519d0e..2448696

2448696 Fixed margin and font-size

git-subtree-dir: app
git-subtree-split: 2448696853e3801f074713d56ed6c3d7506649b7
Merge commit 'ec476929fc8699e8e586e7df3d5ab4527eadf88e'