I created a contact form that seems to be working fine in all browsers except IE8 and older. On those browsers, black boxes appear over the input field areas and make them so text can not be inputted.

http://codepen.io/JeremyEnglert/pen/ELkjF

I'm having a hard time testing it as I don't have IE on my Mac, but I was able to quickly confirm the error was happening on a friends laptop.

Any ideas?