* {
    box-sizing: border-box;
}

.photoGrid{}

.photoGrid .row {
    display: -ms-flexbox; /* IE10 */
    display: flex;
    -ms-flex-wrap: wrap; /* IE10 */
    flex-wrap: wrap;
    padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.photoGrid .column {
    -ms-flex: 25%; /* IE10 */
    flex: 25%;
    max-width: 25%;
    padding: 0 4px;
}

.photoGrid3 .column {
    -ms-flex: 33%; /* IE10 */
    flex: 33%;
    max-width: 33%;
    padding: 0 4px;
}

.photoGrid5 .column {
    -ms-flex: 20%; /* IE10 */
    flex: 20%;
    max-width: 20%;
    padding: 0 4px;
}

.photoGrid .column img {
    margin-top: 8px;
    vertical-align: middle;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 800px) {
    .photoGrid .column, .photoGrid3 .column {
        -ms-flex: 50%;
        flex: 50%;
        max-width: 50%;
    }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
    .photoGrid .column, .photoGrid3 .column {
        -ms-flex: 100%;
        flex: 100%;
        max-width: 100%;
    }
}