.gallley {
}

.gallery__image {
    margin: 0;
}

.gallery__image--file {
    padding: 0;
    height: auto;
    width: 100%;
}

.overlay{
    top: 0;
    transition:all 250ms ease-out;
}
.overlay:hover{
    background-color: rgba(0, 0, 0, 0.582);
}
.gallery__image--title{
    opacity: 0;
    color: #fff !important;
    transition:all 250ms ease-out;
}
.overlay:hover .gallery__image--title{
    opacity: 1;
}