Blur Youtube Thumbnails and Account Avatars

youtube-thumb-blur.css

/*

Install from here: https://userstyles.org/styles/139876/youtube-thumbnails-blur-and-unblur

*/

@-moz-document domain("www.youtube.com") {
  div[class*="thumb"] img {
      filter: blur(5px);
      -webkit-filter: blur(5px);
      -moz-filter: blur(5px);
      -o-filter: blur(5px);
      -ms-filter: blur(5);
      -ms-filter: blur(5px);
  }
  div[class*="thumb"]:hover img {
      filter: blur(0px);
      -webkit-filter: blur(0px);
      -moz-filter: blur(0px);
      -o-filter: blur(0px);
      -ms-filter: blur(0);
      -ms-filter: blur(0px);
  }
}