Possible duplicate of [filter: blur(1px); doesnt work in firefox, IE, and opera](http://stackoverflow.com/questions/15803122/filter-blur1px-doesnt-work-in-firefox-ie-and-opera)
– maxJun 29 '16 at 23:22
Possible duplicate of [CSS Blur in IE 11](http://stackoverflow.com/questions/25850100/css-blur-in-ie-11)
– Stephen PJun 29 '16 at 23:59