.btn {
    box-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}
.btn:focus {
    background-color: rgb(19, 202, 240)  !important;
    color: white;
    box-shadow: 0px 0px 2px rgba(0,0,0,0.3);
}
.imagen-cinema {
    width: 512px;
    height: 310px;
    object-fit: cover;
    object-position: center;
}