.flex-images {
    overflow: hidden;
}

.flex-images .item {
    position: relative;
    float: left;
    overflow: hidden;
    box-sizing: content-box;
    margin: 4px;
}

.flex-images .item img {
    width: 100%;
    height: 100%;
    padding: 2px;
    border: 1px solid #dbdbdb;
    border-radius: 3px;
}