.image-block-front {
    position: relative;
    clip-path: polygon(0 24%, 100% 0, 100% 100%, 24% 100%);
    overflow: hidden;
    height: 80vh;
    width: auto;
}

    .image-block-front::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 20px;
        box-shadow: 0 0 0 9999px white; /* adjust background color if needed */
        clip-path: inherit;
    }

.image-block-back {
    clip-path: polygon(0 0, 100% 26%, 47% 100%, 0% 100%);
    border-radius: 20px;
    overflow: hidden;
    height: 80vh;
    width: auto;
}