.ac-image.cpac-cover {
    background-size: contain !important;
    background-repeat: no-repeat !important;
    height: 300px !important;
    width: 300px !important;
}
.ac-image.cpac-cover:hover {
    height: 900px !important;
    width: 900px !important;
    position: absolute;
    right:0;
}