Attach MAxCDN to head tag


      https://cssgram-cssgram.netdna-ssl.com/cssgram.min.css

Then use the Class tags found on CSSgram website to change filter effect on your image examples shown below


      class="brannan"


         img src="https://hd.unsplash.com/photo-1437622368342-7a3d73a34c8f" class="img-responsive" alt="Responsive image"