photochamber-webserver/static/public/css/style.css

#pch-mediaList {
    list-style: none;
    margin: 0;
    padding: 0;
}

#pch-mediaList > .pch-image {
    display: flex;
    height: 450px;
    justify-content: center;
}

.pch-image {
    position: relative;
}

.pch-image .spinner {
    display: none;
}

.pch-image.loading .spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pch-image.loading img {
    visibility: hidden;
}