Filter.css is used to apply image filters, patterns and colour blending, especially useful for making full image background appear better. To apply the CSS image filter effects, you’ll simply need to add class name. For example, class="grid" applies a grid filter to the desired area in an HTML file. David Furlong has prepared five examples in the demo page showing blurred and overlay filters among all. You can also combine several filter classes for more design control. Visit the link for a list of applicable class names and demo.

About FILTER.CSS   See the filters in action