.pbt-image-container {
    width: 250px;
    height: 250px;
    /*border: solid 2px #ebebeb;*/
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.pbt-image-container > img {
    position: absolute;
    height: auto;
    width: calc(100% - 64px);
    transition: opacity 500ms ease-in-out;
}

.pbt-image-container > img.pbt-image-default {
    z-index: 1;
}

.pbt-image-container > img.pbt-image-default {
    opacity: 0.9;
}

.pbt-image-container > img.pbt-image-hover {
    opacity: 0;
    z-index: 2;
}

.pbt-image-container:hover > img.pbt-image-hover {
    opacity: 1;
}