.wp-block-image.custom-image-effect-grayscale img, img.custom-image-effect-grayscale,
.wp-block-image.custom-image-effect-sepia img, img.custom-image-effect-sepia,
.wp-block-image.custom-image-effect-blur img, img.custom-image-effect-blur {
    transition: filter .5s ease;
}
.wp-block-image.custom-image-effect-grayscale:hover img, img:hover.custom-image-effect-grayscale,
.wp-block-image.custom-image-effect-grayscale:focus img, img:hover.custom-image-effect-grayscale {
    filter: grayscale(100%);
}

.wp-block-image.custom-image-effect-sepia:hover img, img:hover.custom-image-effect-sepia,
.wp-block-image.custom-image-effect-sepia:focus img, img:hover.custom-image-effect-sepia {
    filter: grayscale(100%);
}

.wp-block-image.custom-image-effect-blur:hover img, img:hover.custom-image-effect-blur,
.wp-block-image.custom-image-effect-blur:focus img, img:hover.custom-image-effect-blur {
    filter: blur(5px);
}

.custom-image-opacity-0 {
    opacity: 0;
}
.custom-image-opacity-10 {
    opacity: 0.1;
}
.custom-image-opacity-20 {
    opacity: 0.2;
}
.custom-image-opacity-30 {
    opacity: 0.3;
}
.custom-image-opacity-40 {
    opacity: 0.4;
}
.custom-image-opacity-50 {
    opacity: 0.5;
}
.custom-image-opacity-60 {
    opacity: 0;
}
.custom-image-opacity-70 {
    opacity: 0.7;
}
.custom-image-opacity-80 {
    opacity: 0.8;
}
.custom-image-opacity-90 {
    opacity: 0.9;
}
.custom-image-opacity-100 {
    opacity: 1;
}

.wp-admin .wp-block-columns,
.wp-admin .oab-banner,
.wp-admin .oab-banner-container {
    height: inherit !important;
}