I am using Kendo UI 2016.1.412 with bootstrap and Angular. I have found that IE 11 (11.0.9600.18205) has some issues with selectable/clickable elements. DateTime picker selector, dropdowns etc. Borders were missing, hover over would cause icon to disappear. Chrome worked fine.
After playing about I found that doing the following made a big improvement :
I believe this is an IE issue since it appears to be so random.