Be sure to make a copy of your code before attempting this challenge! It will require significant changes to the markup and styles. Use your copy for working on the challenge and leave the original intact for starting the next chapter.

Using Solved by Flexbox as a reference, implement the Holy Grail layout in Ottergram. Create a second navigation bar with thumbnails, but place it on the other side of the viewport.

Make sure to add a footer element to the bottom of your page. Use the <footer> tag and put an <h1> inside of it.