MediaWiki:SpoilerBlur.css

.spoilerblur { filter: blur(2.5px); -webkit-filter: blur(2.5px); opacity: .20; display: inline; -webkit-transition: all 0.5s 0 linear; -moztransition: all 0.5 0 linear; -o-transition: all 0.5s 0 linear; -ms-transition: all 0.5s 0 linear; transition: all 0.5s 0 linear; } .spoilerblur:hover { filter: blur(0px); -webkit-filter: blur(0px); opacity: 1; text-shadow: 0 0 0 transparent; -webkit-transition-delay: 0.25s; -moz-transition-delay: 0.25s; -o-transition-delay: 0.25s; -ms-transition-delay: 0.25s; transition-delay: 0.25s; }