.cf-country-flag {
    display: inline-block;
    width: 20px;
    height: auto;
    object-fit: contain;
    vertical-align: middle;
    border-radius: 2px;
    box-sizing: border-box;
}

@media only screen and (max-width: 450px) {
    .cf-country-flag {
        width: 15px;
    }
}