/* Mobile First View */
/* Photo Grid */
main {
    display: flex;
    flex-wrap: wrap;
    padding: 0 12px;
    vertical-align: middle;
}

.colum {
    margin-top: 0;
    max-width: 100%;
    vertical-align: middle;
}

.colum img {
    padding-bottom: 10px;
    width: 100%;
}

/* For Desktops */
@media only screen and (mid-width: 768px) {
    .colum {
        max-width: 50%;
        padding: 0 6px;
    }

    main {
        padding: 0 6px;
    }
}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
    .colum {
        max-width: 25%;
    }
}