.flex-images {
    overflow: hidden;
}

.flex-images .item {
    float: left;
    margin: 3px;
    /* margin-left: 5px;
    margin-right: 5px;
    margin-bottom: 10px; */
    box-sizing: content-box;
    overflow: hidden;
    position: relative;
}

.flex-images .item img {
    display: block;
}