.nb-image-reveal-v4{
position: relative;
}
.nb-image-reveal-v4[data-flickering="1"]{
opacity: 0;
}
.nb-image-reveal-v4__image{
width: 100%;
height: 100%;
}
.nb-image-reveal-v4__mask{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}