.isotope-item { z-index: 2; } .isotope-hidden.isotope-item { pointer-events: none; z-index: 1; } .isotope, .isotope .isotope-item { -webkit-transition-duration: 0.8s; -moz-transition-duration: 0.8s; -ms-transition-duration: 0.8s; -o-transition-duration: 0.8s; transition-duration: 0.8s; } .isotope { -webkit-transition-property: height, width; -moz-transition-property: height, width; -ms-transition-property: height, width; -o-transition-property: height, width; transition-property: height, width; } .isotope .isotope-item { -webkit-transition-property: -webkit-transform, opacity; -moz-transition-property:    -moz-transform, opacity; -ms-transition-property:     -ms-transform, opacity; -o-transition-property:      -o-transform, opacity; transition-property:         transform, opacity; } .isotope.no-transition, .isotope.no-transition .isotope-item, .isotope .isotope-item.no-transition { -webkit-transition-duration: 0s; -moz-transition-duration: 0s; -ms-transition-duration: 0s; -o-transition-duration: 0s; transition-duration: 0s; } .isotope.infinite-scrolling { -webkit-transition: none; -moz-transition: none; -ms-transition: none; -o-transition: none; transition: none; }