.container-catalogo {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: hidden
}
.column {
    flex: 0 0 24.5%; 
    box-sizing: border-box; 
    padding: 5px; 
    margin: 0 1px;
    border: solid 1px #e7e7e7;
}
.column:hover {
    border:solid 2px #808080;

}
/* Style the images inside the grid */
.column img {
    opacity: 0.8;
    cursor: pointer;
    width:100%;
}

.column img:hover {
    opacity: 1;
}

#contextMenu {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #ccc;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
    padding: 8px;