.kenburnsy {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.kenburnsy.fullscreen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.kenburnsy img {
    display: none;
}

.kenburnsy .slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;

    transform-origin: center;

    transform: translateZ(0);
    background-attachment: fixed;
}