Hmmm...I like it, but it's slightly broken. Also, what is with the insanely long URL? Stop that.

http://www.zenpen.io/#TU+7DoMwDPyV27og+gOIsRJTF/oBhhgSNSQSNk...

The URL contains the text.

You can just click under the "heading" to write the normal body text.

http://www.zenpen.io/#JY1BCsMwDAS/srdeSvqBkGPBD+gDlFjGBtUGS6...