Actually the question is, does not work blur in firefox. link to the site , spread on the site for the reason that everything works fine on jsfiddle. Svg added, and confused 0. Maybe you will see what ...
img.bg { min-height: 100%; min-width: 1024px; width: 100%; height: auto; position: fixed; top: 0; left: 0; z-index: 1; } .blur_h { height: 70px; width: 100%; bottom: 0; left: 0; z-index: 2; position: absolute; filter: blur(10px); -webkit-filter: blur(10px); -moz-filter: blur(10px); -o-filter: blur(10px); -ms-filter: blur(10px); filter: url(#blur); overflow: hidden; } <div class="blur_h"> <img class="bg" src="http://tsvg.ndv.ru/img/bg5.jpg"> </div> <img id="bg5" class="bg" src="http://tsvg.ndv.ru/img/bg5.jpg"> <svg version="1.1" xmlns="http://www.w3.org/2000/svg"> <filter id="blur"> <feGaussianBlur stdDeviation="5" /> </filter> </svg>