My text wont show up in the forms when anyone types

I am working on a non profit site http://seeing-the-world.org when I click on the donate now form and try to type anything into the boxes it will not show the text. It will let you type and when you click donate it all works. But you can not see any text typed….
I have checked out the style sheets for the seamless donations and also the style sheet for the theme I am using can anyone PLEASE help I am lost

thank you very much

https://wordpress.org/plugins/seamless-donations/