.wpmtst_testimonial_flag {
    width: 30px;
    height: 20px;
    display: inline-block;
    background-size: contain;
    margin-top: auto;
    margin-bottom: auto;
}

.wpmtst_testimonial_flag_wrap {
    display: inline-flex;
    flex-wrap: wrap;
}

.wpmtst-testimonial-field .wpmtst_testimonial_country {
    margin-left: 6px;
}