Layering issue blocks functionality

Highlighting anything other than the first line of text in a post results in the annotation choice bubble displaying beneath the text. Related or not, the annotation choice bubble is also unclickable.

https://www.dropbox.com/s/8etahvidhnsecw4/Screenshot%202016-03-23%2010.52.23.png?dl=0

Firefox 45.0.1 / Chrome 49.0.2623.87
Mac OS X Yosemite
WP 4.2.2
Theme: Readit

~~Trip

https://wordpress.org/plugins/hypothesis/