.isotope-item {
    z-index: 2;
}

.isotope-hidden.isotope-item {
    pointer-events: none;
    z-index: 1;
}

.isotope, .isotope .isotope-item {
    -webkit-transition-duration: .8s;
    -moz-transition-duration: .8s;
    -ms-transition-duration: .8s;
    -o-transition-duration: .8s;
    transition-duration: .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 .isotope-item.no-transition, .isotope.no-transition, .isotope.no-transition .isotope-item {
            -webkit-transition-duration: 0s;
            -moz-transition-duration: 0s;
            -ms-transition-duration: 0s;
            -o-transition-duration: 0s;
            transition-duration: 0s;
        }